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 2026-10-30 03:27:44 -04:00
Code Issues Projects Releases Packages Wiki Activity

lightnvm: check mm before use

Browse source 
The core can may issue I/Os before a media manager is registered with
the lightnvm subsystem. Make sure that we don't call the media manager
->end_io prematurely with a null pointer.

Signed-off-by: Matias Bjørling <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Matias Bjørling 2015-12-06 11:25:46 +01:00 • committed by Jens Axboe
commit 437f8f9a1e
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/nvme/host/lightnvm.c
View file

@ -455,7 +455,7 @@ static void nvme_nvm_end_io(struct request *rq, int error)
struct nvm_rq *rqd = rq->end_io_data;
struct nvm_dev *dev = rqd->dev;
if (dev->mt->end_io(rqd, error))
if (dev->mt && dev->mt->end_io(rqd, error))
pr_err("nvme: err status: %x result: %lx\n",
rq->errors, (unsigned long)rq->special);