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authorTrond Myklebust <trond.myklebust@hammerspace.com>2022-02-08 13:38:23 -0500
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2022-02-14 14:58:48 -0500
commite0caaf75d443e02e55e146fd75fe2efc8aed5540 (patch)
treea90c0fbbf914e0e818d86083c3312f451e58fe37 /fs
parent9d047bf68fe8cdb4086deaf4edd119731a9481ed (diff)
downloadlinux-e0caaf75d443e02e55e146fd75fe2efc8aed5540.tar.bz2
NFS: LOOKUP_DIRECTORY is also ok with symlinks
Commit ac795161c936 (NFSv4: Handle case where the lookup of a directory fails) [1], part of Linux since 5.17-rc2, introduced a regression, where a symbolic link on an NFS mount to a directory on another NFS does not resolve(?) the first time it is accessed: Reported-by: Paul Menzel <pmenzel@molgen.mpg.de> Fixes: ac795161c936 ("NFSv4: Handle case where the lookup of a directory fails") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Donald Buczek <buczek@molgen.mpg.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/dir.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 7bc7cf6b26f0..75cb1cbe4cde 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2010,14 +2010,14 @@ no_open:
if (!res) {
inode = d_inode(dentry);
if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
- !S_ISDIR(inode->i_mode))
+ !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)))
res = ERR_PTR(-ENOTDIR);
else if (inode && S_ISREG(inode->i_mode))
res = ERR_PTR(-EOPENSTALE);
} else if (!IS_ERR(res)) {
inode = d_inode(res);
if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
- !S_ISDIR(inode->i_mode)) {
+ !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) {
dput(res);
res = ERR_PTR(-ENOTDIR);
} else if (inode && S_ISREG(inode->i_mode)) {