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authorLinus Torvalds <torvalds@linux-foundation.org>2013-08-23 10:46:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-08-23 10:46:28 -0700
commitf07823e163d1296fa47986edb95198390553b2cc (patch)
treeb915b1c49772a7632b59ece2fdb6c3f793be2c13 /drivers/gpu/drm/nouveau/core/core/mm.c
parent41a00f7950a6bc0aa956f6d6b423f0fbf34d431a (diff)
parent4dd17ee95742f3e9fd55d07463981711a637bd20 (diff)
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie: "Ben was on holidays for a week so a few nouveau regression fixes backed up, but they all seem necessary. Otherwise one i915 and one gma500 fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: gma500: Fix SDVO turning off randomly drm/nv04/disp: fix framebuffer pin refcounting drm/nouveau/mc: fix race condition between constructor and request_irq() drm/nouveau: fix reclocking on nv40 drm/nouveau/ltcg: fix allocating memory as free drm/nouveau/ltcg: fix ltcg memory initialization after suspend drm/nouveau/fb: fix null derefs in nv49 and nv4e init drm/i915: Invalidate TLBs for the rings after a reset
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/core/mm.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/core/mm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/mm.c b/drivers/gpu/drm/nouveau/core/core/mm.c
index d8291724dbd4..7a4e0891c5f8 100644
--- a/drivers/gpu/drm/nouveau/core/core/mm.c
+++ b/drivers/gpu/drm/nouveau/core/core/mm.c
@@ -98,6 +98,8 @@ nouveau_mm_head(struct nouveau_mm *mm, u8 type, u32 size_max, u32 size_min,
u32 splitoff;
u32 s, e;
+ BUG_ON(!type);
+
list_for_each_entry(this, &mm->free, fl_entry) {
e = this->offset + this->length;
s = this->offset;
@@ -162,6 +164,8 @@ nouveau_mm_tail(struct nouveau_mm *mm, u8 type, u32 size_max, u32 size_min,
struct nouveau_mm_node *prev, *this, *next;
u32 mask = align - 1;
+ BUG_ON(!type);
+
list_for_each_entry_reverse(this, &mm->free, fl_entry) {
u32 e = this->offset + this->length;
u32 s = this->offset;