Commit 0b045bd1 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Jens Axboe
Browse files

mm/backing-dev.c: fix an error handling path in 'cgwb_create()' 



If the 'kmalloc' fails, we must go through the existing error handling
path.

Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Fixes: 52ebea74 ("writeback: make backing_dev_info host cgroup-specific bdi_writebacks")
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 09c2c359

mm/backing-dev.c

+4 −2
Original line number Diff line number Diff line
@@ -569,8 +569,10 @@ static int cgwb_create(struct backing_dev_info *bdi, 


	/* need to create a new one */

	wb = kmalloc(sizeof(*wb), gfp);

	if (!wb)

		return -ENOMEM;

	if (!wb) {

		ret = -ENOMEM;

		goto out_put;

	}



	ret = wb_init(wb, bdi, blkcg_css->id, gfp);

	if (ret)