ext4: fix retry handling in ext4_ext_truncate()

commit 94eec0fc3520c759831763d866421b4d60b599b4 upstream.

We tested for ENOMEM instead of -ENOMEM.   Oops.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index fddf3d9..dc1e030 100644 (file)
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4389,7 +4389,7 @@ void ext4_ext_truncate(handle_t *handle, struct inode *inode)
 retry:
        err = ext4_es_remove_extent(inode, last_block,
                                    EXT_MAX_BLOCKS - last_block);
-       if (err == ENOMEM) {
+       if (err == -ENOMEM) {
                cond_resched();
                congestion_wait(BLK_RW_ASYNC, HZ/50);
                goto retry;