net: make sockptr_is_null strict aliasing safe

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While the kernel in general is not strict aliasing safe we can trivially
do that in sockptr_is_null without affecting code generation, so always
check the actually assigned union member.

Reported-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Christoph Hellwig 2020-07-28 18:38:34 +02:00 • committed by David S. Miller

parent a3ad434ad7

commit 035bfd051e

1 changed files with 3 additions and 1 deletions

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include/linux/sockptr.h

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