qlcnic: Avoid potential NULL pointer dereference
authorAditya Pakki <pakki001@umn.edu>
Thu, 14 Mar 2019 20:31:40 +0000 (15:31 -0500)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Mar 2019 18:55:53 +0000 (11:55 -0700)
commit5bf7295fe34a5251b1d241b9736af4697b590670
treef498356fe345f144e25c6830e66f9c86c6f93f0b
parent58f2ce6f61615dfd8dd3cc01c9e5bb54ed35637e
qlcnic: Avoid potential NULL pointer dereference

netdev_alloc_skb can fail and return a NULL pointer which is
dereferenced without a check. The patch avoids such a scenario.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c