Merge branch 'master'

Documentation/usb/error-codes.txt

@@ -46,8 +46,9 @@ USB-specific:
 
 -EMSGSIZE	(a) endpoint maxpacket size is zero; it is not usable
 		    in the current interface altsetting.
-		(b) ISO packet is biger than endpoint maxpacket
-		(c) requested data transfer size is invalid (negative)
+		(b) ISO packet is larger than the endpoint maxpacket.
+		(c) requested data transfer length is invalid: negative
+		    or too large for the host controller.
 
 -ENOSPC		This request would overcommit the usb bandwidth reserved
 		for periodic transfers (interrupt, isochronous).

Makefile

@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc3
+EXTRAVERSION =-rc4
 NAME=Affluent Albatross
 
 # *DOCUMENTATION*

arch/i386/kernel/io_apic.c

@@ -2009,7 +2009,7 @@ static void ack_edge_ioapic_vector(unsigned int vector)
 {
 	int irq = vector_to_irq(vector);
 
-	move_irq(vector);
+	move_native_irq(vector);
 	ack_edge_ioapic_irq(irq);
 }
 
@@ -2024,7 +2024,7 @@ static void end_level_ioapic_vector (unsigned int vector)
 {
 	int irq = vector_to_irq(vector);
 
-	move_irq(vector);
+	move_native_irq(vector);
 	end_level_ioapic_irq(irq);
 }
 

arch/i386/kernel/reboot.c

@@ -111,6 +111,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2400"),
 		},
 	},
+	{	/* Handle problems with rebooting on HP nc6120 */
+		.callback = set_bios_reboot,
+		.ident = "HP Compaq nc6120",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6120"),
+		},
+	},
 	{ }
 };
 

arch/ia64/kernel/ia64_ksyms.c

@@ -42,6 +42,7 @@ EXPORT_SYMBOL(clear_page);
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
 #include <linux/bootmem.h>
+EXPORT_SYMBOL(min_low_pfn);	/* defined by bootmem.c, but not exported by generic code */
 EXPORT_SYMBOL(max_low_pfn);	/* defined by bootmem.c, but not exported by generic code */
 #endif
 

arch/ia64/kernel/kprobes.c

@@ -740,7 +740,7 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
 	switch(val) {
 	case DIE_BREAK:
 		/* err is break number from ia64_bad_break() */
-		if (args->err == 0x80200 || args->err == 0x80300)
+		if (args->err == 0x80200 || args->err == 0x80300 || args->err == 0)
 			if (pre_kprobes_handler(args))
 				ret = NOTIFY_STOP;
 		break;

arch/ia64/kernel/traps.c

@@ -132,24 +132,6 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
 	siginfo_t siginfo;
 	int sig, code;
 
-	/* break.b always sets cr.iim to 0, which causes problems for
-	 * debuggers.  Get the real break number from the original instruction,
-	 * but only for kernel code.  User space break.b is left alone, to
-	 * preserve the existing behaviour.  All break codings have the same
-	 * format, so there is no need to check the slot type.
-	 */
-	if (break_num == 0 && !user_mode(regs)) {
-		struct ia64_psr *ipsr = ia64_psr(regs);
-		unsigned long *bundle = (unsigned long *)regs->cr_iip;
-		unsigned long slot;
-		switch (ipsr->ri) {
-		      case 0:  slot = (bundle[0] >>  5); break;
-		      case 1:  slot = (bundle[0] >> 46) | (bundle[1] << 18); break;
-		      default: slot = (bundle[1] >> 23); break;
-		}
-		break_num = ((slot >> 36 & 1) << 20) | (slot >> 6 & 0xfffff);
-	}
-
 	/* SIGILL, SIGFPE, SIGSEGV, and SIGBUS want these field initialized: */
 	siginfo.si_addr = (void __user *) (regs->cr_iip + ia64_psr(regs)->ri);
 	siginfo.si_imm = break_num;

arch/powerpc/kernel/ppc_ksyms.c

@@ -163,15 +163,13 @@ EXPORT_SYMBOL(giveup_altivec);
 EXPORT_SYMBOL(giveup_spe);
 #endif /* CONFIG_SPE */
 
-#ifdef CONFIG_PPC64
-EXPORT_SYMBOL(__flush_icache_range);
-#else
+#ifndef CONFIG_PPC64
 EXPORT_SYMBOL(flush_instruction_cache);
-EXPORT_SYMBOL(flush_icache_range);
 EXPORT_SYMBOL(flush_tlb_kernel_range);
 EXPORT_SYMBOL(flush_tlb_page);
 EXPORT_SYMBOL(_tlbie);
 #endif
+EXPORT_SYMBOL(__flush_icache_range);
 EXPORT_SYMBOL(flush_dcache_range);
 
 #ifdef CONFIG_SMP

arch/powerpc/kernel/process.c

@@ -201,6 +201,28 @@ int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs)
 }
 #endif /* CONFIG_SPE */
 
+/*
+ * If we are doing lazy switching of CPU state (FP, altivec or SPE),
+ * and the current task has some state, discard it.
+ */
+static inline void discard_lazy_cpu_state(void)
+{
+#ifndef CONFIG_SMP
+	preempt_disable();
+	if (last_task_used_math == current)
+		last_task_used_math = NULL;
+#ifdef CONFIG_ALTIVEC
+	if (last_task_used_altivec == current)
+		last_task_used_altivec = NULL;
+#endif /* CONFIG_ALTIVEC */
+#ifdef CONFIG_SPE
+	if (last_task_used_spe == current)
+		last_task_used_spe = NULL;
+#endif
+	preempt_enable();
+#endif /* CONFIG_SMP */
+}
+
 int set_dabr(unsigned long dabr)
 {
 	if (ppc_md.set_dabr)
@@ -434,19 +456,7 @@ void show_regs(struct pt_regs * regs)
 void exit_thread(void)
 {
 	kprobe_flush_task(current);
-
-#ifndef CONFIG_SMP
-	if (last_task_used_math == current)
-		last_task_used_math = NULL;
-#ifdef CONFIG_ALTIVEC
-	if (last_task_used_altivec == current)
-		last_task_used_altivec = NULL;
-#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
-	if (last_task_used_spe == current)
-		last_task_used_spe = NULL;
-#endif
-#endif /* CONFIG_SMP */
+	discard_lazy_cpu_state();
 }
 
 void flush_thread(void)
@@ -458,18 +468,7 @@ void flush_thread(void)
 		t->flags ^= (_TIF_ABI_PENDING | _TIF_32BIT);
 #endif
 
-#ifndef CONFIG_SMP
-	if (last_task_used_math == current)
-		last_task_used_math = NULL;
-#ifdef CONFIG_ALTIVEC
-	if (last_task_used_altivec == current)
-		last_task_used_altivec = NULL;
-#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
-	if (last_task_used_spe == current)
-		last_task_used_spe = NULL;
-#endif
-#endif /* CONFIG_SMP */
+	discard_lazy_cpu_state();
 
 #ifdef CONFIG_PPC64	/* for now */
 	if (current->thread.dabr) {
@@ -635,18 +634,7 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
 	}
 #endif
 
-#ifndef CONFIG_SMP
-	if (last_task_used_math == current)
-		last_task_used_math = NULL;
-#ifdef CONFIG_ALTIVEC
-	if (last_task_used_altivec == current)
-		last_task_used_altivec = NULL;
-#endif
-#ifdef CONFIG_SPE
-	if (last_task_used_spe == current)
-		last_task_used_spe = NULL;
-#endif
-#endif /* CONFIG_SMP */
+	discard_lazy_cpu_state();
 	memset(current->thread.fpr, 0, sizeof(current->thread.fpr));
 	current->thread.fpscr.val = 0;
 #ifdef CONFIG_ALTIVEC

arch/powerpc/kernel/prom_init.c

@@ -265,7 +265,7 @@ static int __init call_prom_ret(const char *service, int nargs, int nret,
 	va_end(list);
 
 	for (i = 0; i < nret; i++)
-		rets[nargs+i] = 0;
+		args.args[nargs+i] = 0;
 
 	if (enter_prom(&args, RELOC(prom_entry)) < 0)
 		return PROM_ERROR;

arch/ppc/kernel/ppc_ksyms.c

@@ -184,7 +184,7 @@ EXPORT_SYMBOL(kernel_thread);
 
 EXPORT_SYMBOL(flush_instruction_cache);
 EXPORT_SYMBOL(giveup_fpu);
-EXPORT_SYMBOL(flush_icache_range);
+EXPORT_SYMBOL(__flush_icache_range);
 EXPORT_SYMBOL(flush_dcache_range);
 EXPORT_SYMBOL(flush_icache_user_range);
 EXPORT_SYMBOL(flush_dcache_page);

arch/ppc/kernel/process.c

@@ -417,6 +417,7 @@ void show_regs(struct pt_regs * regs)
 
 void exit_thread(void)
 {
+	preempt_disable();
 	if (last_task_used_math == current)
 		last_task_used_math = NULL;
 	if (last_task_used_altivec == current)
@@ -425,10 +426,12 @@ void exit_thread(void)
 	if (last_task_used_spe == current)
 		last_task_used_spe = NULL;
 #endif
+	preempt_enable();
 }
 
 void flush_thread(void)
 {
+	preempt_disable();
 	if (last_task_used_math == current)
 		last_task_used_math = NULL;
 	if (last_task_used_altivec == current)
@@ -437,6 +440,7 @@ void flush_thread(void)
 	if (last_task_used_spe == current)
 		last_task_used_spe = NULL;
 #endif
+	preempt_enable();
 }
 
 void
@@ -535,6 +539,7 @@ void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp)
 	regs->nip = nip;
 	regs->gpr[1] = sp;
 	regs->msr = MSR_USER;
+	preempt_disable();
 	if (last_task_used_math == current)
 		last_task_used_math = NULL;
 	if (last_task_used_altivec == current)
@@ -543,6 +548,7 @@ void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp)
 	if (last_task_used_spe == current)
 		last_task_used_spe = NULL;
 #endif
+	preempt_enable();
 	memset(current->thread.fpr, 0, sizeof(current->thread.fpr));
 	current->thread.fpscr.val = 0;
 #ifdef CONFIG_ALTIVEC

arch/sparc64/mm/generic.c

@@ -77,6 +77,7 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
 			BUG_ON(!pte_none(*pte));
 			set_pte_at(mm, address, pte, entry);
 			address += PAGE_SIZE;
+			pte_val(entry) += PAGE_SIZE;
 			pte++;
 		} while (address < curend);
 	} while (address < end);

drivers/atm/Kconfig

@@ -5,6 +5,13 @@
 menu "ATM drivers"
 	depends on NETDEVICES && ATM
 
+config ATM_DUMMY
+	tristate "Dummy ATM driver"
+	depends on ATM
+	help
+	  Dummy ATM driver. Useful for proxy signalling, testing,
+	  and development.  If unsure, say N.
+
 config ATM_TCP
 	tristate "ATM over TCP"
 	depends on INET && ATM

drivers/atm/Makefile

@@ -31,6 +31,7 @@ ifeq ($(CONFIG_ATM_IDT77252_USE_SUNI),y)
   obj-$(CONFIG_ATM_IDT77252)	+= suni.o
 endif
 
+obj-$(CONFIG_ATM_DUMMY)		+= adummy.o
 obj-$(CONFIG_ATM_TCP)		+= atmtcp.o
 obj-$(CONFIG_ATM_FIRESTREAM)	+= firestream.o
 obj-$(CONFIG_ATM_LANAI)		+= lanai.o

drivers/atm/adummy.c

@@ -0,0 +1,168 @@
+/*
+ * adummy.c: a dummy ATM driver
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/skbuff.h>
+#include <linux/pci.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <asm/uaccess.h>
+
+#include <linux/atmdev.h>
+#include <linux/atm.h>
+#include <linux/sonet.h>
+
+/* version definition */
+
+#define DRV_VERSION "1.0"
+
+#define DEV_LABEL "adummy"
+
+#define ADUMMY_DEV(dev) ((struct adummy_dev *) (dev)->dev_data)
+
+struct adummy_dev {
+	struct atm_dev *atm_dev;
+
+	struct list_head entry;
+};
+
+/* globals */
+
+static LIST_HEAD(adummy_devs);
+
+static int __init
+adummy_start(struct atm_dev *dev)
+{
+	dev->ci_range.vpi_bits = 4;
+	dev->ci_range.vci_bits = 12;
+
+	return 0;
+}
+
+static int
+adummy_open(struct atm_vcc *vcc)
+{
+	short vpi = vcc->vpi;
+	int vci = vcc->vci;
+
+	if (vci == ATM_VCI_UNSPEC || vpi == ATM_VPI_UNSPEC)
+		return 0;
+
+	set_bit(ATM_VF_ADDR, &vcc->flags);
+	set_bit(ATM_VF_READY, &vcc->flags);
+
+	return 0;
+}
+
+static void
+adummy_close(struct atm_vcc *vcc)
+{
+	clear_bit(ATM_VF_READY, &vcc->flags);
+	clear_bit(ATM_VF_ADDR, &vcc->flags);
+}
+
+static int
+adummy_send(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+	if (vcc->pop)
+		vcc->pop(vcc, skb);
+	else
+		dev_kfree_skb_any(skb);
+	atomic_inc(&vcc->stats->tx);
+
+	return 0;
+}
+
+static int
+adummy_proc_read(struct atm_dev *dev, loff_t *pos, char *page)
+{
+	int left = *pos;
+
+	if (!left--)
+		return sprintf(page, "version %s\n", DRV_VERSION);
+
+	return 0;
+}
+
+static struct atmdev_ops adummy_ops =
+{
+	.open =		adummy_open,
+	.close =	adummy_close,	
+	.send =		adummy_send,
+	.proc_read =	adummy_proc_read,
+	.owner =	THIS_MODULE
+};
+
+static int __init adummy_init(void)
+{
+	struct atm_dev *atm_dev;
+	struct adummy_dev *adummy_dev;
+	int err = 0;
+
+	printk(KERN_ERR "adummy: version %s\n", DRV_VERSION);
+
+	adummy_dev = (struct adummy_dev *) kmalloc(sizeof(struct adummy_dev),
+						   GFP_KERNEL);
+	if (!adummy_dev) {
+		printk(KERN_ERR DEV_LABEL ": kmalloc() failed\n");
+		err = -ENOMEM;
+		goto out;
+	}
+	memset(adummy_dev, 0, sizeof(struct adummy_dev));
+
+	atm_dev = atm_dev_register(DEV_LABEL, &adummy_ops, -1, 0);
+	if (!atm_dev) {
+		printk(KERN_ERR DEV_LABEL ": atm_dev_register() failed\n");
+		err = -ENODEV;
+		goto out_kfree;
+	}
+
+	adummy_dev->atm_dev = atm_dev;
+	atm_dev->dev_data = adummy_dev;
+
+	if (adummy_start(atm_dev)) {
+		printk(KERN_ERR DEV_LABEL ": adummy_start() failed\n");
+		err = -ENODEV;
+		goto out_unregister;
+	}
+
+	list_add(&adummy_dev->entry, &adummy_devs);
+out:
+	return err;
+
+out_unregister:
+	atm_dev_deregister(atm_dev);
+out_kfree:
+	kfree(adummy_dev);
+	goto out;
+}
+
+static void __exit adummy_cleanup(void)
+{
+	struct adummy_dev *adummy_dev, *next;
+
+	list_for_each_entry_safe(adummy_dev, next, &adummy_devs, entry) {
+		atm_dev_deregister(adummy_dev->atm_dev);
+		kfree(adummy_dev);
+	}
+}
+
+module_init(adummy_init);
+module_exit(adummy_cleanup);
+
+MODULE_AUTHOR("chas williams <chas@cmf.nrl.navy.mil>");
+MODULE_DESCRIPTION("dummy ATM driver");
+MODULE_LICENSE("GPL");

drivers/atm/atmdev_init.c

@@ -1,54 +0,0 @@
-/* drivers/atm/atmdev_init.c - ATM device driver initialization */
- 
-/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
- 
-
-#include <linux/config.h>
-#include <linux/init.h>
-
-
-#ifdef CONFIG_ATM_ZATM
-extern int zatm_detect(void);
-#endif
-#ifdef CONFIG_ATM_AMBASSADOR
-extern int amb_detect(void);
-#endif
-#ifdef CONFIG_ATM_HORIZON
-extern int hrz_detect(void);
-#endif
-#ifdef CONFIG_ATM_FORE200E
-extern int fore200e_detect(void);
-#endif
-#ifdef CONFIG_ATM_LANAI
-extern int lanai_detect(void);
-#endif
-
-
-/*
- * For historical reasons, atmdev_init returns the number of devices found.
- * Note that some detections may not go via atmdev_init (e.g. eni.c), so this
- * number is meaningless.
- */
-
-int __init atmdev_init(void)
-{
-	int devs;
-
-	devs = 0;
-#ifdef CONFIG_ATM_ZATM
-	devs += zatm_detect();
-#endif
-#ifdef CONFIG_ATM_AMBASSADOR
-	devs += amb_detect();
-#endif
-#ifdef CONFIG_ATM_HORIZON
-	devs += hrz_detect();
-#endif
-#ifdef CONFIG_ATM_FORE200E
-	devs += fore200e_detect();
-#endif
-#ifdef CONFIG_ATM_LANAI
-	devs += lanai_detect();
-#endif
-	return devs;
-}

drivers/atm/atmtcp.c

@@ -246,10 +246,6 @@ static void atmtcp_c_close(struct atm_vcc *vcc)
 {
 	struct atm_dev *atmtcp_dev;
 	struct atmtcp_dev_data *dev_data;
-	struct sock *s;
-	struct hlist_node *node;
-	struct atm_vcc *walk;
-	int i;
 
 	atmtcp_dev = (struct atm_dev *) vcc->dev_data;
 	dev_data = PRIV(atmtcp_dev);
@@ -257,20 +253,8 @@ static void atmtcp_c_close(struct atm_vcc *vcc)
 	if (dev_data->persist) return;
 	atmtcp_dev->dev_data = NULL;
 	kfree(dev_data);
-	shutdown_atm_dev(atmtcp_dev);
+	atm_dev_deregister(atmtcp_dev);
 	vcc->dev_data = NULL;
-	read_lock(&vcc_sklist_lock);
-	for(i = 0; i < VCC_HTABLE_SIZE; ++i) {
-		struct hlist_head *head = &vcc_hash[i];
-
-		sk_for_each(s, node, head) {
-			walk = atm_sk(s);
-			if (walk->dev != atmtcp_dev)
-				continue;
-			wake_up(s->sk_sleep);
-		}
-	}
-	read_unlock(&vcc_sklist_lock);
 	module_put(THIS_MODULE);
 }
 
@@ -450,7 +434,7 @@ static int atmtcp_remove_persistent(int itf)
 	if (PRIV(dev)->vcc) return 0;
 	kfree(dev_data);
 	atm_dev_put(dev);
-	shutdown_atm_dev(dev);
+	atm_dev_deregister(dev);
 	return 0;
 }
 

drivers/atm/lanai.c

@@ -39,7 +39,7 @@
  * o  lanai_change_qos() isn't written yet
  *
  * o  There aren't any ioctl's yet -- I'd like to eventually support
- *    setting loopback and LED modes that way.  (see lanai_ioctl)
+ *    setting loopback and LED modes that way.
  *
  * o  If the segmentation engine or DMA gets shut down we should restart
  *    card as per section 17.0i.  (see lanai_reset)
@@ -305,7 +305,7 @@ struct lanai_dev {
  * vci with their bit set
  */
 static void vci_bitfield_iterate(struct lanai_dev *lanai,
-	/*const*/ unsigned long *lp,
+	const unsigned long *lp,
 	void (*func)(struct lanai_dev *,vci_t vci))
 {
 	vci_t vci = find_first_bit(lp, NUM_VCI);
@@ -951,7 +951,7 @@ static int __devinit eeprom_read(struct lanai_dev *lanai)
 /* read a big-endian 4-byte value out of eeprom */
 static inline u32 eeprom_be4(const struct lanai_dev *lanai, int address)
 {
-	return be32_to_cpup((u32 *) (&lanai->eeprom[address]));
+	return be32_to_cpup((const u32 *) &lanai->eeprom[address]);
 }
 
 /* Checksum/validate EEPROM contents */
@@ -1160,7 +1160,7 @@ static inline int vcc_tx_space(const struct lanai_vcc *lvcc, int endptr)
 }
 
 /* test if VCC is currently backlogged */
-static inline int vcc_is_backlogged(/*const*/ struct lanai_vcc *lvcc)
+static inline int vcc_is_backlogged(const struct lanai_vcc *lvcc)
 {
 	return !skb_queue_empty(&lvcc->tx.backlog);
 }
@@ -1395,7 +1395,8 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr)
 {
 	int size;
 	struct sk_buff *skb;
-	/*const*/ u32 *x, *end = &lvcc->rx.buf.start[endptr * 4];
+	const u32 *x;
+	u32 *end = &lvcc->rx.buf.start[endptr * 4];
 	int n = ((unsigned long) end) - ((unsigned long) lvcc->rx.buf.ptr);
 	if (n < 0)
 		n += lanai_buf_size(&lvcc->rx.buf);
@@ -2111,7 +2112,7 @@ static int lanai_normalize_ci(struct lanai_dev *lanai,
  * shifted by that much as we compute
  *
  */
-static int pcr_to_cbricg(/*const*/ struct atm_qos *qos)
+static int pcr_to_cbricg(const struct atm_qos *qos)
 {
 	int rounddown = 0;	/* 1 = Round PCR down, i.e. round ICG _up_ */
 	int x, icg, pcr = atm_pcr_goal(&qos->txtp);
@@ -2434,93 +2435,6 @@ static int lanai_open(struct atm_vcc *atmvcc)
 	return result;
 }
 
-#if 0
-/* ioctl operations for card */
-/* NOTE: these are all DEBUGGING ONLY currently */
-static int lanai_ioctl(struct atm_dev *atmdev, unsigned int cmd, void __user *arg)
-{
-	int result = 0;
-	struct lanai_dev *lanai = (struct lanai_dev *) atmdev->dev_data;
-	switch(cmd) {
-		case 2106275:
-			shutdown_atm_dev(atmdev);
-			return 0;
-		case 2200000: {
-			unsigned long flags;
-			spin_lock_irqsave(&lanai->servicelock, flags);
-			run_service(lanai);
-			spin_unlock_irqrestore(&lanai->servicelock, flags);
-			return 0; }
-		case 2200002:
-			get_statistics(lanai);
-			return 0;
-		case 2200003: {
-			unsigned int i;
-			for (i = 0; i <= 0x5C ; i += 4) {
-				if (i==0x48) /* Write-only butt reg */
-					continue;
-				printk(KERN_CRIT DEV_LABEL "  0x%02X: "
-				    "0x%08X\n", i,
-				    (unsigned int) readl(lanai->base + i));
-				barrier(); mb();
-				pcistatus_check(lanai, 0);
-				barrier(); mb();
-			}
-			return 0; }
-		case 2200004: {
-			u8 b;
-			u16 w;
-			u32 dw;
-			struct pci_dev *pci = lanai->pci;
-			(void) pci_read_config_word(pci, PCI_VENDOR_ID, &w);
-			DPRINTK("vendor = 0x%X\n", (unsigned int) w);
-			(void) pci_read_config_word(pci, PCI_DEVICE_ID, &w);
-			DPRINTK("device = 0x%X\n", (unsigned int) w);
-			(void) pci_read_config_word(pci, PCI_COMMAND, &w);
-			DPRINTK("command = 0x%X\n", (unsigned int) w);
-			(void) pci_read_config_word(pci, PCI_STATUS, &w);
-			DPRINTK("status = 0x%X\n", (unsigned int) w);
-			(void) pci_read_config_dword(pci,
-			    PCI_CLASS_REVISION, &dw);
-			DPRINTK("class/revision = 0x%X\n", (unsigned int) dw);
-			(void) pci_read_config_byte(pci,
-			    PCI_CACHE_LINE_SIZE, &b);
-			DPRINTK("cache line size = 0x%X\n", (unsigned int) b);
-			(void) pci_read_config_byte(pci, PCI_LATENCY_TIMER, &b);
-			DPRINTK("latency = %d (0x%X)\n",
-			    (int) b, (unsigned int) b);
-			(void) pci_read_config_byte(pci, PCI_HEADER_TYPE, &b);
-			DPRINTK("header type = 0x%X\n", (unsigned int) b);
-			(void) pci_read_config_byte(pci, PCI_BIST, &b);
-			DPRINTK("bist = 0x%X\n", (unsigned int) b);
-			/* skipping a few here */
-			(void) pci_read_config_byte(pci,
-			    PCI_INTERRUPT_LINE, &b);
-			DPRINTK("pci_int_line = 0x%X\n", (unsigned int) b);
-			(void) pci_read_config_byte(pci,
-			    PCI_INTERRUPT_PIN, &b);
-			DPRINTK("pci_int_pin = 0x%X\n", (unsigned int) b);
-			(void) pci_read_config_byte(pci, PCI_MIN_GNT, &b);
-			DPRINTK("min_gnt = 0x%X\n", (unsigned int) b);
-			(void) pci_read_config_byte(pci, PCI_MAX_LAT, &b);
-			DPRINTK("max_lat = 0x%X\n", (unsigned int) b); }
-			return 0;
-#ifdef USE_POWERDOWN
-		case 2200005:
-			DPRINTK("Coming out of powerdown\n");
-			lanai->conf1 &= ~CONFIG1_POWERDOWN;
-			conf1_write(lanai);
-			return 0;
-#endif
-		default:
-			result = -ENOIOCTLCMD;
-	}
-	return result;
-}
-#else /* !0 */
-#define lanai_ioctl NULL
-#endif /* 0 */
-
 static int lanai_send(struct atm_vcc *atmvcc, struct sk_buff *skb)
 {
 	struct lanai_vcc *lvcc = (struct lanai_vcc *) atmvcc->dev_data;
@@ -2678,7 +2592,6 @@ static const struct atmdev_ops ops = {
 	.dev_close	= lanai_dev_close,
 	.open		= lanai_open,
 	.close		= lanai_close,
-	.ioctl		= lanai_ioctl,
 	.getsockopt	= NULL,
 	.setsockopt	= NULL,
 	.send		= lanai_send,
@@ -2760,6 +2673,7 @@ static void __exit lanai_module_exit(void)
 	 * gone, so there isn't much to do
 	 */
 	DPRINTK("cleanup_module()\n");
+	pci_unregister_driver(&lanai_driver);
 }
 
 module_init(lanai_module_init);

drivers/char/drm/drm_context.c

@@ -432,7 +432,10 @@ int drm_addctx(struct inode *inode, struct file *filp,
 
 	if (ctx.handle != DRM_KERNEL_CONTEXT) {
 		if (dev->driver->context_ctor)
-			dev->driver->context_ctor(dev, ctx.handle);
+			if (!dev->driver->context_ctor(dev, ctx.handle)) {
+				DRM_DEBUG( "Running out of ctxs or memory.\n");
+				return -ENOMEM;
+			}
 	}
 
 	ctx_entry = drm_alloc(sizeof(*ctx_entry), DRM_MEM_CTXLIST);