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(parent: afe4a87) | patch
net: dsa: avoid potential use-after-free error
authorChristian Eggers <ceggers@arri.de>
Thu, 19 Nov 2020 11:09:06 +0000 (12:09 +0100)
committerJakub Kicinski <kuba@kernel.org>
Fri, 20 Nov 2020 23:02:50 +0000 (15:02 -0800)
commit3b17da684dd32ca91dee507f5c18aef52299a21d
tree7da17b6f555ed2f109b7ea236e1056f756cbd6b5tree | snapshot
parentafe4a8774c97cc6278e992bd0a97c34e8230bcfecommit | diff
net: dsa: avoid potential use-after-free error

If dsa_switch_ops::port_txtstamp() returns false, clone will be freed
immediately. Shouldn't store a pointer to freed memory.

Signed-off-by: Christian Eggers <ceggers@arri.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201119110906.25558-1-ceggers@arri.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/dsa/slave.c diff | blob | history
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