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(parent: f0d5155) | 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)
commit50a76804f9a97b1376c0ced6c2cf9db0857818b1
treebdd88df1f40a932ee69560d6e364036910fcef28tree | snapshot
parentf0d51552d66a81357e64d1b97077b7f3cf750a83commit | 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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