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(parent: fe0a236) | 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)
commite35c3605c343f801314ce1982fa36bed32267fb5
treebdc4ea0553c8470d3340a80a6e98c8ead4aa4760tree | snapshot
parentfe0a236ff625663a0d6f21736551ac73200ec050commit | diff
ethtool: fix null-ptr-deref on ref tracker

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

Fixes: 8d4e33f5fa1e ("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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