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| author |  Wang Ming <machel@vivo.com>
| 2023-07-13 20:05:42 +0800 |
|---|---|---|
| committer |  Christian Brauner <brauner@kernel.org>
| 2023-07-14 17:01:23 +0200 |
| commit | 0d5a4f8f775ff990142cdc810a84eae078589d27 (patch) | |
| tree | 592c7d3664dc4bbfcca7943ac49577c8408b4c33 /fs/namei.c | |
| parent | attr: block mode changes of symlinks (diff) | |
| download | linux-0d5a4f8f775ff990142cdc810a84eae078589d27.tar.gz linux-0d5a4f8f775ff990142cdc810a84eae078589d27.tar.bz2 linux-0d5a4f8f775ff990142cdc810a84eae078589d27.zip | |
fs: Fix error checking for d_hash_and_lookup()
The d_hash_and_lookup() function returns error pointers or NULL.
Most incorrect error checks were fixed, but the one in int path_pts()
was forgotten.
Fixes: eedf265aa003 ("devpts: Make each mount of devpts an independent filesystem.")
Signed-off-by: Wang Ming <machel@vivo.com>
Message-Id: <20230713120555.7025-1-machel@vivo.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c index e56ff39a79bc..2bae29ea52ff 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2890,7 +2890,7 @@ int path_pts(struct path *path) dput(path->dentry); path->dentry = parent; child = d_hash_and_lookup(parent, &this); - if (!child) + if (IS_ERR_OR_NULL(child)) return -ENOENT; path->dentry = child; |