tree 1224be30813c2af7b0449d1046f2e12c91b16f41
parent 7dd2459d8f7a967bcd1466591aec72bb3ddc07cc
author Lennert Buytenhek <buytenh@wantstofly.org> 1249329506 +0200
committer John W. Linville <linville@tuxdriver.com> 1249664969 -0400

mwl8k: fix NULL pointer dereference on receive out-of-memory

When we go into out-of-memory and fail to allocate skbuffs to
refill the receive ring with, rxq_process can end up running into
a receive ring entry that is marked as host-owned but doesn't have
an associated skbuff.  If this happens, we must break out of the
rx processing loop instead of trying to process the descriptor.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>