hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/nouveau/ltc: protect clearing of comptags with mutex 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Ben Skeggs 2016-12-13 09:29:55 +10:00
parent 64373e4bb6
commit f4e65efc88
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
View File

@ -47,8 +47,10 @@ nvkm_ltc_tags_clear(struct nvkm_ltc *ltc, u32 first, u32 count)
BUG_ON((first > limit) || (limit >= ltc->num_tags));
mutex_lock(&ltc->subdev.mutex);
ltc->func->cbc_clear(ltc, first, limit);
ltc->func->cbc_wait(ltc);
mutex_unlock(&ltc->subdev.mutex);
}
int