From ee0742a93ccba786bc06e00bb0d10a5123acd3ba Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 28 Mar 2022 10:16:42 -0400 Subject: [PATCH] NFSD: Avoid calling fh_drop_write() twice in do_nfsd_create() [ Upstream commit 14ee45b70dd0d9ae76fb066cd8c0652d657353f6 ] Clean up: The "out" label already invokes fh_drop_write(). Note that fh_drop_write() is already careful not to invoke mnt_drop_write() if either it has already been done or there is nothing to drop. Therefore no change in behavior is expected. [ cel: backported to 5.10.y, prior to idmapped mounts ] Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- fs/nfsd/vfs.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 0968eaf735c8..cdeba19db16d 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1504,7 +1504,6 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, case NFS3_CREATE_GUARDED: err = nfserr_exist; } - fh_drop_write(fhp); goto out; } @@ -1512,10 +1511,8 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, iap->ia_mode &= ~current_umask(); host_err = vfs_create(dirp, dchild, iap->ia_mode, true); - if (host_err < 0) { - fh_drop_write(fhp); + if (host_err < 0) goto out_nfserr; - } if (created) *created = true;