ext3: Add more journal error check

Check return value of ext3_journal_get_write_acccess() and
ext3_journal_dirty_metadata().

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index a958061..ae94f6d 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2145,13 +2145,15 @@
 	if (try_to_extend_transaction(handle, inode)) {
 		if (bh) {
 			BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");
-			ext3_journal_dirty_metadata(handle, bh);
+			if (ext3_journal_dirty_metadata(handle, bh))
+				return;
 		}
 		ext3_mark_inode_dirty(handle, inode);
 		truncate_restart_transaction(handle, inode);
 		if (bh) {
 			BUFFER_TRACE(bh, "retaking write access");
-			ext3_journal_get_write_access(handle, bh);
+			if (ext3_journal_get_write_access(handle, bh))
+				return;
 		}
 	}