openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/nouveau: fix pm initialization order 

If nouveau_pm_perflvl_get() fails, pm->profiles list will be left
uninitialized, which causes oops during nouveau_pm_fini().

Move INIT_LIST_HEAD before call to nouveau_pm_perflvl_get().

Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2012-09-25 10:31:40 +04:00 committed by Ben Skeggs
parent acac7bdba6
commit d89c8ce071
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/nouveau/nouveau_pm.c
View File

@ -916,6 +916,8 @@ nouveau_pm_init(struct drm_device *dev)
nouveau_volt_init(dev);
nouveau_temp_init(dev);
INIT_LIST_HEAD(&pm->profiles);
/* determine current ("boot") performance level */
ret = nouveau_pm_perflvl_get(dev, &pm->boot);
if (ret) {
@ -927,7 +929,6 @@ nouveau_pm_init(struct drm_device *dev)
strncpy(pm->boot.profile.name, "boot", 4);
pm->boot.profile.func = &nouveau_pm_static_profile_func;
INIT_LIST_HEAD(&pm->profiles);
list_add(&pm->boot.profile.head, &pm->profiles);
pm->profile_ac = &pm->boot.profile;