www.infradead.org Git - users/willy/linux.git/commit

author	Gilad Ben-Yossef <gilad@benyossef.com>
	Thu, 17 Feb 2022 19:27:26 +0000 (21:27 +0200)
committer	Herbert Xu <herbert@gondor.apana.org.au>
	Wed, 23 Feb 2022 03:28:32 +0000 (15:28 +1200)
commit	1fb37b5692c915edcc2448a6b37255738c7c77e0
tree	458d7f641ebf58f0b3e9aaab187f7db07a07d7fc	tree
parent	c143a603c9abf3297b87ce1d2827883c67efc385	commit \| diff

crypto: ccree - don't attempt 0 len DMA mappings

Refuse to try mapping zero bytes as this may cause a fault
on some configurations / platforms and it seems the prev.
attempt is not enough and we need to be more explicit.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reported-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Fixes: ce0fc6db38de ("crypto: ccree - protect against empty or NULL
scatterlists")
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>