* [Patch] Overrun in drivers/char/mwave/mwavedd.c
@ 2006-04-09 17:49 Eric Sesterhenn
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From: Eric Sesterhenn @ 2006-04-09 17:49 UTC (permalink / raw)
To: LKML
hi,
this fixes coverity id #489.
Since the last element in the array is always ARRAY_SIZE-1
we have to check for ipcnum >= ARRAY_SIZE()
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
--- linux-2.6.17-rc1/drivers/char/mwave/mwavedd.c.orig 2006-04-09 19:45:54.000000000 +0200
+++ linux-2.6.17-rc1/drivers/char/mwave/mwavedd.c 2006-04-09 19:46:07.000000000 +0200
@@ -271,7 +271,7 @@ static int mwave_ioctl(struct inode *ino
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
- if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) {
+ if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_ioctl:"
" IOCTL_MW_REGISTER_IPC:"
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2006-04-09 17:49 [Patch] Overrun in drivers/char/mwave/mwavedd.c Eric Sesterhenn
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