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[PATCH] rio: fix array checking

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Found by an analysis tool and reported to the list. Fix is simple enough

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alan Cox 2006-10-16 16:28:44 +01:00 committed by Linus Torvalds
parent 51018b0a31
commit 9d90dafdb1
1 changed files with 2 additions and 2 deletions
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4
drivers/char/rio/rioctrl.c
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@ -662,7 +662,7 @@ int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
if (portStats.port >= RIO_PORTS) {
if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
return -ENXIO;
}
@ -702,7 +702,7 @@ int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
if (portStats.port >= RIO_PORTS) {
if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
return -ENXIO;
}