tree 965c9f92f32d6d69c92e60e1289f0274cbc1085b
parent 981542c526ecd846920bc500e9989da906ee9fb9
author Gustavo A. R. Silva <garsilva@embeddedor.com> 1510948929 -0600
committer David S. Miller <davem@davemloft.net> 1511061837 +0900

usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_set

_dev_ is being dereferenced before it is null checked, hence there
is a potential null pointer dereference.

Fix this by moving the pointer dereference after _dev_ has been null
checked.

Addresses-Coverity-ID: 1462020
Fixes: bb1b40c7cb86 ("usbnet: ipheth: prevent TX queue timeouts when device not ready")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>