[PATCH] nfsd: put the export reference in nfsd4_verify_deleg_dentry
From: Jeff Layton <jlayton@kernel.org>
Date: 2022-11-08 16:23:20
Subsystem:
filesystems (vfs and infrastructure), kernel nfsd, sunrpc, and lockd servers, the rest · Maintainers:
Alexander Viro, Christian Brauner, Chuck Lever, Jeff Layton, Linus Torvalds
nfsd_lookup_dentry returns an export reference in addition to the dentry ref. Ensure that we put it too. Link: https://bugzilla.redhat.com/show_bug.cgi?id=2138866 Fixes: 876c553cb410 ("NFSD: verify the opened dentry after setting a delegation") Reported-by: Yongcheng Yang <redacted> Signed-off-by: Jeff Layton <jlayton@kernel.org> --- fs/nfsd/nfs4state.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 554c4e50caf8..2ec981fd2985 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c@@ -5407,6 +5407,7 @@ nfsd4_verify_deleg_dentry(struct nfsd4_open *open, struct nfs4_file *fp, if (err) return -EAGAIN; + exp_put(exp); dput(child); if (child != file_dentry(fp->fi_deleg_file->nf_file)) return -EAGAIN;
--
2.38.1