A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-31 04:01:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

block, bfq: don't dereference bic before null checking it

Browse source 
The call to bfq_check_ioprio_change will dereference bic, however,
the null check for bic is after this call.  Move the the null
check on bic to before the call to avoid any potential null
pointer dereference issues.

Detected by CoverityScan, CID#1430138 ("Dereference before null check")

Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Colin Ian King 2017-04-20 15:07:18 +01:00 • committed by Jens Axboe
commit 8c9ff1adda
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
block/bfq-iosched.c
View file

@ -4401,11 +4401,11 @@ static int bfq_get_rq_private(struct request_queue *q, struct request *rq,
spin_lock_irq(&bfqd->lock);
bfq_check_ioprio_change(bic, bio);
if (!bic)
goto queue_fail;
bfq_check_ioprio_change(bic, bio);
bfq_bic_update_cgroup(bic, bio);
bfqq = bfq_get_bfqq_handle_split(bfqd, bic, bio, false, is_sync,