msgb: make msgb_get() finally work as expected

This commit is contained in:
Harald Welte 2012-09-10 20:58:20 +02:00
parent 42645d7d78
commit cac3cd6fcd
1 changed files with 1 additions and 1 deletions

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@ -224,7 +224,7 @@ static inline void msgb_put_u32(struct msgb *msgb, uint32_t word)
*/ */
static inline unsigned char *msgb_get(struct msgb *msgb, unsigned int len) static inline unsigned char *msgb_get(struct msgb *msgb, unsigned int len)
{ {
unsigned char *tmp = msgb->data - len; unsigned char *tmp = msgb->tail - len;
if (msgb_length(msgb) < len) if (msgb_length(msgb) < len)
MSGB_ABORT(msgb, "msgb too small to get %u (len %u)\n", MSGB_ABORT(msgb, "msgb too small to get %u (len %u)\n",
len, msgb_length(msgb)); len, msgb_length(msgb));