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| author | Dominique Martinet <asmadeus@codewreck.org> | 2022-06-12 16:05:39 +0900 |
|---|---|---|
| committer | Dominique Martinet <dominique.martinet@atmark-techno.com> | 2022-07-02 18:52:21 +0900 |
| commit | dafbe689736f62c696ac64809b17bdc752cfbe76 (patch) | |
| tree | 8a4774deab90c8ae0255de0eed33f57c86433354 /fs/9p/vfs_file.c | |
| parent | 286c171b86ebc693e18b485dde3a3fc470af37bd (diff) | |
| download | linux-dafbe689736f62c696ac64809b17bdc752cfbe76.tar.bz2 | |
9p fid refcount: cleanup p9_fid_put calls
Simplify p9_fid_put cleanup path in many 9p functions since the function
is noop on null or error fids.
Also make the *_add_fid() helpers "steal" the fid by nulling its
pointer, so put after them will be noop.
This should lead to no change of behaviour
Link: https://lkml.kernel.org/r/20220612085330.1451496-7-asmadeus@codewreck.org
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Diffstat (limited to 'fs/9p/vfs_file.c')
| -rw-r--r-- | fs/9p/vfs_file.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 8276f3af35d7..aec43ba83799 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -69,9 +69,10 @@ int v9fs_file_open(struct inode *inode, struct file *file) if ((file->f_flags & O_APPEND) && (!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses))) generic_file_llseek(file, 0, SEEK_END); + + file->private_data = fid; } - file->private_data = fid; mutex_lock(&v9inode->v_mutex); if ((v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) && !v9inode->writeback_fid && @@ -95,7 +96,7 @@ int v9fs_file_open(struct inode *inode, struct file *file) if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) fscache_use_cookie(v9fs_inode_cookie(v9inode), file->f_mode & FMODE_WRITE); - v9fs_open_fid_add(inode, fid); + v9fs_open_fid_add(inode, &fid); return 0; out_error: p9_fid_put(file->private_data); |