Dominique Martinet 0dc54bd4d6 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>

2021-11-03 17:44:29 +09:00

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