From: Christian Brauner Date: Mon, 25 Nov 2024 14:10:10 +0000 (+0100) Subject: nfs/nfs4idmap: avoid pointless reference count bump X-Git-Tag: v6.14-rc1~214^2~1^2~15 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3e23a1cd849d96ff3615d731acdafa8332ca2206;p=thirdparty%2Fkernel%2Flinux.git nfs/nfs4idmap: avoid pointless reference count bump The override creds are allocated with a long-term refernce when the id_resolver is initialized via prepare_kernel_creds() that is put when the id_resolver is destroyed. Link: https://lore.kernel.org/r/20241125-work-cred-v2-14-68b9d38bb5b2@kernel.org Acked-by: Chuck Lever Reviewed-by: Jeff Layton Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner --- diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c index 25b6a8920a654..25a7c771cfd89 100644 --- a/fs/nfs/nfs4idmap.c +++ b/fs/nfs/nfs4idmap.c @@ -311,9 +311,9 @@ static ssize_t nfs_idmap_get_key(const char *name, size_t namelen, const struct user_key_payload *payload; ssize_t ret; - saved_cred = override_creds(get_new_cred(id_resolver_cache)); + saved_cred = override_creds(id_resolver_cache); rkey = nfs_idmap_request_key(name, namelen, type, idmap); - put_cred(revert_creds(saved_cred)); + revert_creds(saved_cred); if (IS_ERR(rkey)) { ret = PTR_ERR(rkey);