net: lantiq_xrx200: restore buffer if memory allocation failed

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[ Upstream commit c9c3b1775f ]

In a situation where memory allocation fails, an invalid buffer address
is stored. When this descriptor is used again, the system panics in the
build_skb() function when accessing memory.

Fixes: 7ea6cd16f1 ("lantiq: net: fix duplicated skb in rx descriptor ring")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Aleksander Jan Bajkowski 2022-08-24 23:54:08 +02:00 • committed by Greg Kroah-Hartman

parent 0d9981b063

commit 3ef2786e32

1 changed files with 1 additions and 0 deletions

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drivers/net/ethernet/lantiq_xrx200.c

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