diff options
Diffstat (limited to 'drivers/staging/rtl8712/rtl871x_recv.c')
| -rw-r--r-- | drivers/staging/rtl8712/rtl871x_recv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c index 046a46c4cd7f..9a42370cf85d 100644 --- a/drivers/staging/rtl8712/rtl871x_recv.c +++ b/drivers/staging/rtl8712/rtl871x_recv.c @@ -637,11 +637,16 @@ sint r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe) /* append rx status for mp test packets */ ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + 2) - 24); + if (!ptr) + return _FAIL; memcpy(ptr, get_rxmem(precvframe), 24); ptr += 24; - } else + } else { ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0))); + if (!ptr) + return _FAIL; + } memcpy(ptr, pattrib->dst, ETH_ALEN); memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN); |