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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2006-10-16 16:28:44 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-16 08:27:54 -0700
commit9d90dafdb1f0e3c2b69fa8d3fbe99649127c8fa4 (patch)
tree1bfc2de4c1bdbccaa4922b15664a9c33919d4570 /drivers/char/rio
parent51018b0a3160d253283173c2f54f16746cee5852 (diff)
[PATCH] rio: fix array checking
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>
Diffstat (limited to 'drivers/char/rio')
-rw-r--r--drivers/char/rio/rioctrl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c
index 052e8120a471..7ce77619707c 100644
--- a/drivers/char/rio/rioctrl.c
+++ b/drivers/char/rio/rioctrl.c
@@ -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;
}