Dan Carpenter 1c45256e59 netfs, fscache: Prevent Oops in fscache_put_cache()
[ Upstream commit 3be0b3ed1d76c6703b9ee482b55f7e01c369cc68 ]

This function dereferences "cache" and then checks if it's
IS_ERR_OR_NULL().  Check first, then dereference.

Fixes: 9549332df4ed ("fscache: Implement cache registration")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/e84bc740-3502-4f16-982a-a40d5676615c@moroto.mountain/ # v2
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-31 16:19:01 -08:00
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