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caif: Bugfix - handle mem-allocation failures

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Discovered bugs when injecting slab allocation failures.
Add checks on all memory allocation.

Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sjur Braendeland
2010-05-21 02:16:09 +00:00
committed by David S. Miller
parent 7aecf4944f
commit 638e628a60
3 changed files with 25 additions and 9 deletions
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3
net/caif/cfserl.c
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@ -67,6 +67,8 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
layr->incomplete_frm =
cfpkt_append(layr->incomplete_frm, newpkt, expectlen);
pkt = layr->incomplete_frm;
if (pkt == NULL)
return -ENOMEM;
} else {
pkt = newpkt;
}
@ -154,7 +156,6 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
if (layr->usestx) {
if (tail_pkt != NULL)
pkt = cfpkt_append(pkt, tail_pkt, 0);
/* Start search for next STX if frame failed */
continue;
} else {