ext4: use ERR_PTR() abstraction for ext4_append()

Use ERR_PTR()/IS_ERR() abstraction instead of passing in a separate
pointer to an integer for the error code, as a code cleanup.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c4e9177f60c6..f4466c3650dc 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -707,6 +707,8 @@ struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode,
         /* ensure we send some value back into *errp */
         *errp = 0;
 
+        if (create && err == 0)
+                err = -ENOSPC;  /* should never happen */
         if (err < 0)
                 *errp = err;
         if (err <= 0)