ioc_cpd_alloc() forgot to check NULL return from kzalloc(). Add it.
Signed-off-by: Tejun Heo <[email protected]>
Reported-by: kbuild test robot <[email protected]>
---
block/blk-iocost.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 9c8046ac5925..2aae8ec391ef 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -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;
}
On 8/30/19 7:10 AM, Tejun Heo wrote:
> ioc_cpd_alloc() forgot to check NULL return from kzalloc(). Add it.
Applied, thanks.
--
Jens Axboe