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(parent: 4cd82a5) | patch
fscache_cookie_enabled: check cookie is valid before accessing it
authorDominique Martinet <asmadeus@codewreck.org>
Wed, 3 Nov 2021 08:34:05 +0000 (17:34 +0900)
committerDominique Martinet <asmadeus@codewreck.org>
Wed, 3 Nov 2021 08:44:29 +0000 (17:44 +0900)
commit0dc54bd4d6e03be1f0b678c4297170b79f1a44ab
treebdd88df1f40a932ee69560d6e364036910fcef28tree | snapshot
parent4cd82a5bb0f68236f67b1678bc9e6348a42241edcommit | diff
fscache_cookie_enabled: check cookie is valid before accessing it

fscache_cookie_enabled() could be called on NULL cookies and cause a
null pointer dereference when accessing cookie flags: just make sure
the cookie is valid first

Suggested-by: David Howells <dhowells@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
include/linux/fscache.h diff | blob | history
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