Commit 88a96fa8 authored Oct 04, 2017 by Juerg Haefliger Committed by Dave Kleikamp Nov 02, 2017

jfs: Add missing NULL pointer check in __get_metapage



alloc_metapage can return a NULL pointer so check for that.

Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>

parent 04d73f86

fs/jfs/jfs_metapage.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -663,6 +663,8 @@ struct metapage __get_metapage(struct inode inode, unsigned long lblock,
		} else {
		INCREMENT(mpStat.pagealloc);
		mp = alloc_metapage(GFP_NOFS);
		if (!mp)
		goto unlock;
		mp->page = page;
		mp->sb = inode->i_sb;
		mp->flag = 0;