Commit e916ad29 authored Aug 30, 2019 by Tejun Heo Committed by Jens Axboe Aug 30, 2019

blkcg: add missing NULL check in ioc_cpd_alloc()



ioc_cpd_alloc() forgot to check NULL return from kzalloc().  Add it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 3532e722

block/blk-iocost.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1888,8 +1888,10 @@ static struct blkcg_policy_data *ioc_cpd_alloc(gfp_t gfp)
		struct ioc_cgrp *iocc;

		iocc = kzalloc(sizeof(struct ioc_cgrp), gfp);
		iocc->dfl_weight = CGROUP_WEIGHT_DFL;
		if (!iocc)
		return NULL;

		iocc->dfl_weight = CGROUP_WEIGHT_DFL;
		return &iocc->cpd;
		}