netfilter: nft_socket: Fix a NULL vs IS_ERR() bug in nft_socket_cgroup_subtree_level()
authorDan Carpenter <dan.carpenter@linaro.org>
Sat, 14 Sep 2024 09:56:51 +0000 (12:56 +0300)
committerJakub Kicinski <kuba@kernel.org>
Sun, 15 Sep 2024 15:33:12 +0000 (08:33 -0700)
commit7052622fccb1efb850c6b55de477f65d03525a30
treec9aca28a5a36578d3187d75df26b9834362b6729
parent36f6b72cb8554575f571f14796939ed22ea3da3a
netfilter: nft_socket: Fix a NULL vs IS_ERR() bug in nft_socket_cgroup_subtree_level()

The cgroup_get_from_path() function never returns NULL, it returns error
pointers.  Update the error handling to match.

Fixes: 7f3287db6543 ("netfilter: nft_socket: make cgroupsv2 matching work with namespaces")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://patch.msgid.link/bbc0c4e0-05cc-4f44-8797-2f4b3920a820@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/netfilter/nft_socket.c