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ipmi: test for event buffer before using

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The IPMI driver would attempt to use the event buffer even if that
didn't exist on the BMC.  This patch modified the IPMI driver to check
for the event buffer's existence before trying to use it.

Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Corey Minyard
2009-04-21 12:24:03 -07:00
committed by Linus Torvalds
parent 8b32b5d0dc
commit 40112ae750
2 changed files with 125 additions and 29 deletions
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include/linux/ipmi_msgdefs.h
+6
View File
@@ -58,6 +58,12 @@
#define IPMI_READ_EVENT_MSG_BUFFER_CMD 0x35
#define IPMI_GET_CHANNEL_INFO_CMD 0x42
/* Bit for BMC global enables. */
#define IPMI_BMC_RCV_MSG_INTR 0x01
#define IPMI_BMC_EVT_MSG_INTR 0x02
#define IPMI_BMC_EVT_MSG_BUFF 0x04
#define IPMI_BMC_SYS_LOG 0x08
#define IPMI_NETFN_STORAGE_REQUEST 0x0a
#define IPMI_NETFN_STORAGE_RESPONSE 0x0b
#define IPMI_ADD_SEL_ENTRY_CMD 0x44