diff options
Diffstat (limited to 'fs/9p/vfs_file.c')
| -rw-r--r-- | fs/9p/vfs_file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 78bcb97c3425..3337d58d0fc5 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -90,6 +90,7 @@ int v9fs_file_open(struct inode *inode, struct file *file) } file->private_data = fid; + mutex_lock(&v9inode->v_mutex); if (v9ses->cache && !v9inode->writeback_fid) { /* * clone a fid and add it to writeback_fid @@ -101,10 +102,12 @@ int v9fs_file_open(struct inode *inode, struct file *file) fid = v9fs_writeback_fid(file->f_path.dentry); if (IS_ERR(fid)) { err = PTR_ERR(fid); + mutex_unlock(&v9inode->v_mutex); goto out_error; } v9inode->writeback_fid = (void *) fid; } + mutex_unlock(&v9inode->v_mutex); #ifdef CONFIG_9P_FSCACHE if (v9ses->cache) v9fs_cache_inode_set_cookie(inode, file); |