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caif: unlock on error path in cfserl_receive()

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There was an spin_unlock missing on the error path.  The spin_lock was
tucked in with the declarations so it was hard to spot.  I added a new
line.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Sjur Brændeland <sjurbren@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2010-05-26 05:16:48 +00:00 • committed by David S. Miller
parent c196b02ce6
commit 97dc875f90
1 changed files with 4 additions and 2 deletions
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6
net/caif/cfserl.c
View file

@ -59,16 +59,18 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
u8 stx = CFSERL_STX; u8 stx = CFSERL_STX;
int ret; int ret;
u16 expectlen = 0; u16 expectlen = 0;
caif_assert(newpkt != NULL); caif_assert(newpkt != NULL);
spin_lock(&layr->sync); spin_lock(&layr->sync);
if (layr->incomplete_frm != NULL) { if (layr->incomplete_frm != NULL) {
layr->incomplete_frm = layr->incomplete_frm =
cfpkt_append(layr->incomplete_frm, newpkt, expectlen); cfpkt_append(layr->incomplete_frm, newpkt, expectlen);
pkt = layr->incomplete_frm; pkt = layr->incomplete_frm;
if (pkt == NULL) if (pkt == NULL) {
spin_unlock(&layr->sync);
return -ENOMEM; return -ENOMEM;
}
} else { } else {
pkt = newpkt; pkt = newpkt;
} }