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 <dhowe...@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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