apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

staging: wilc1000: prevent some overflows in debugfs

Browse Source 
Add some limits here so we don't corrupt memory.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2015-06-04 11:59:34 +03:00
committed by Greg Kroah-Hartman
parent d35ebe8025
commit 9ee81443b9
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/staging/wilc1000/wilc_debugfs.c
+6
View File
@@ -53,6 +53,9 @@ static ssize_t wilc_debug_level_write(struct file *filp, const char *buf, size_t
char buffer[128] = {};
int flag = 0;
if (count > sizeof(buffer))
return -EINVAL;
if (copy_from_user(buffer, buf, count)) {
return -EFAULT;
}
@@ -99,6 +102,9 @@ static ssize_t wilc_debug_region_write(struct file *filp, const char *buf, size_
char buffer[128] = {};
int flag;
if (count > sizeof(buffer))
return -EINVAL;
if (copy_from_user(buffer, buf, count)) {
return -EFAULT;
}