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(parent: a9aa5e3) | patch
ethtool: fix null-ptr-deref on ref tracker
authorJakub Kicinski <kuba@kernel.org>
Tue, 14 Dec 2021 01:39:02 +0000 (17:39 -0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 14 Dec 2021 12:35:56 +0000 (12:35 +0000)
commit0976b888a150476ba955ce4765858824c633cfd2
treebdc4ea0553c8470d3340a80a6e98c8ead4aa4760tree | snapshot
parenta9aa5e3320ae9d322091993e4ed1b7e7651f00a1commit | diff
ethtool: fix null-ptr-deref on ref tracker

dev can be a NULL here, not all requests set require_dev.

Fixes: e4b8954074f6 ("netlink: add net device refcount tracker to struct ethnl_req_info")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ethtool/netlink.c diff | blob | history
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