qed: prevent possible double-frees of the chains
authorAlexander Lobakin <alobakin@marvell.com>
Wed, 22 Jul 2020 22:10:34 +0000 (01:10 +0300)
committerDavid S. Miller <davem@davemloft.net>
Thu, 23 Jul 2020 01:19:03 +0000 (18:19 -0700)
commit96ca4c50c7f711531d4fa238906f8abbbd0ff517
tree68b99966ced35c21e2a24afc21b224b9fdb6b7ae
parenta08c9b2c7ce52709f1915dae0bcd02070f39104e
qed: prevent possible double-frees of the chains

Zero-initialize chain on qed_chain_free(), so it couldn't be freed
twice and provoke undefined behaviour.

Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qed/qed_chain.c