It's possible for dev_alloc_skb() to fail. Propagate the error to the caller, so it can clean up and drop the packet. The sender should end up retransmitting the packet, hopefully at a time we're prepared to allocate skb's again.
Reported-By: Nicholas Krause <[email protected]> Signed-Off-By: Valdis Kletnieks <[email protected]> --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c 2014-09-05 15:51:00.005660044 -0400 +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c 2014-09-08 17:42:16.773748142 -0400 @@ -847,6 +847,8 @@ static u8 parse_subframe(struct sk_buff #else /* Allocate new skb for releasing to upper layer */ sub_skb = dev_alloc_skb(nSubframe_Length + 12); + if (!sub_skb) + return 0; skb_reserve(sub_skb, 12); data_ptr = (u8 *)skb_put(sub_skb, nSubframe_Length); memcpy(data_ptr, skb->data, nSubframe_Length); _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
