fs: 9p: fix v9fs_file_open writeback fid error check

IS_ERR() and PTR_ERR() use wrong pointer, it should be writeback_fid, fix it. Link: http://lkml.kernel.org/r/[email protected] Fixes: 5bfe97d ("9p: Fix writeback fid incorrectly being attached to dentry") Reported-by: Hulk Robot <[email protected]> Signed-off-by: Yang Yingliang <[email protected]> [Dominique: adjusted commit summary] Signed-off-by: Dominique Martinet <[email protected]>
wafgo · Mar 30, 2021 · f8b139e · f8b139e
1 parent 0dae522
commit f8b139e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
@@ -86,8 +86,8 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 		 * to work.
 		 */
 		writeback_fid = v9fs_writeback_fid(file_dentry(file));
-		if (IS_ERR(fid)) {
-			err = PTR_ERR(fid);
+		if (IS_ERR(writeback_fid)) {
+			err = PTR_ERR(writeback_fid);
 			mutex_unlock(&v9inode->v_mutex);
 			goto out_error;
 		}