diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-05-15 09:00:27 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-06-05 19:23:20 (GMT) |
| commit | 1dacd1980d5ba732de1b69999fd8995b3b2b724b (patch) | |
| tree | 9378cb9de978448430b07382a2421fc9d70c25d8 | |
| parent | 9be02923371718265ea050a5415dc4fefc4e6a64 (diff) | |
| download | linux-fsl-qoriq-1dacd1980d5ba732de1b69999fd8995b3b2b724b.tar.xz | |
brcm80211: brcmu_pkt_buf_free_skb() should handle NULL
This is potentially called with NULL pointers, for example, look at
brcmf_c_prec_enq(). Since it's a free() function, probably people
expect it to handle NULL pointers.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmutil/utils.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c b/drivers/net/wireless/brcm80211/brcmutil/utils.c index b45ab34..3e6405e 100644 --- a/drivers/net/wireless/brcm80211/brcmutil/utils.c +++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c @@ -43,6 +43,8 @@ EXPORT_SYMBOL(brcmu_pkt_buf_get_skb); /* Free the driver packet. Free the tag if present */ void brcmu_pkt_buf_free_skb(struct sk_buff *skb) { + if (!skb) + return; WARN_ON(skb->next); if (skb->destructor) /* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if |