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authorEric Sesterhenn <snakebyte@gmx.de>2006-05-20 15:00:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-05-21 12:59:18 -0700
commita6a61c5494145c904bead0cceadd94080bd3a784 (patch)
tree7b0af71fd46a86da830c1ae3c0391fa9e55dee53 /drivers/isdn
parent92d1dbd27417c54c23aac6a84c285e256f6118b6 (diff)
[PATCH] Overrun in isdn_tty.c
This fixes coverity bug id #1237. After the while loop, it is possible for i == ISDN_LMSNLEN. If this happens the terminating '\0' is written after the end of the array. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/isdn')
-rw-r--r--drivers/isdn/i4l/isdn_tty.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 3585fb1f334..2ac90242d26 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -2880,7 +2880,7 @@ isdn_tty_cmd_ATand(char **p, modem_info * info)
p[0]++;
i = 0;
while (*p[0] && (strchr("0123456789,-*[]?;", *p[0])) &&
- (i < ISDN_LMSNLEN))
+ (i < ISDN_LMSNLEN - 1))
m->lmsn[i++] = *p[0]++;
m->lmsn[i] = '\0';
break;