| commit | c1b7fca65070bfadca94dd53a4e6b71cd4f69715 | [log] [tgz] |
|---|---|---|
| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | Tue Mar 08 01:36:28 2016 +0300 |
| committer | David S. Miller <davem@davemloft.net> | Thu Mar 10 16:06:49 2016 -0500 |
| tree | 7ff171853047b435e711ac14a69f8bd31167dec1 | |
| parent | f720d0caa0af2c33ad15310974c7320345ab4468 [diff] |
sh_eth: fix NULL pointer dereference in sh_eth_ring_format() In a low memory situation, if netdev_alloc_skb() fails on a first RX ring loop iteration in sh_eth_ring_format(), 'rxdesc' is still NULL. Avoid kernel oops by adding the 'rxdesc' check after the loop. Reported-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>