Messages in this thread Patch in this message | | | Subject | [PATCH v4 02/10] fscache: Fix fscache_cookie_enabled() to handle NULL cookie | From | David Howells <> | Date | Fri, 29 Oct 2021 15:09:28 +0100 |
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Fix fscache_cookie_enabled() to handle being given a NULL cookie pointer (ie. a cookie was not allocated and caching should be ignored).
Signed-off-by: David Howells <dhowells@redhat.com> ---
include/linux/fscache.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 32f65c16328a..5e3ddb11715a 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -167,7 +167,8 @@ struct fscache_cookie { static inline bool fscache_cookie_enabled(struct fscache_cookie *cookie) { - return test_bit(FSCACHE_COOKIE_ENABLED, &cookie->flags); + return (fscache_cookie_valid(cookie) && + test_bit(FSCACHE_COOKIE_ENABLED, &cookie->flags)); } /*
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