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drm: radeon: fix sparse integer as NULL pointer warnings in radeon_mem.c 

drivers/char/drm/radeon_mem.c:91:23: warning: Using plain integer as NULL pointer
drivers/char/drm/radeon_mem.c:116:28: warning: Using plain integer as NULL pointer
drivers/char/drm/radeon_mem.c:124:28: warning: Using plain integer as NULL pointer
drivers/char/drm/radeon_mem.c:177:26: warning: Using plain integer as NULL pointer
drivers/char/drm/radeon_mem.c:177:53: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Harvey Harrison 2008-03-28 14:23:06 -07:00 committed by Dave Airlie
parent 144a75fa1f
commit 2b46278b6a
1 changed files with 4 additions and 4 deletions
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8
drivers/char/drm/radeon_mem.c
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@ -88,7 +88,7 @@ static struct mem_block *alloc_block(struct mem_block *heap, int size,
list_for_each(p, heap) {
int start = (p->start + mask) & ~mask;
if (p->file_priv == 0 && start + size <= p->start + p->size)
if (p->file_priv == NULL && start + size <= p->start + p->size)
return split_block(p, start, size, file_priv);
}
@ -113,7 +113,7 @@ static void free_block(struct mem_block *p)
/* Assumes a single contiguous range. Needs a special file_priv in
* 'heap' to stop it being subsumed.
*/
if (p->next->file_priv == 0) {
if (p->next->file_priv == NULL) {
struct mem_block *q = p->next;
p->size += q->size;
p->next = q->next;
@ -121,7 +121,7 @@ static void free_block(struct mem_block *p)
drm_free(q, sizeof(*q), DRM_MEM_BUFS);
}
if (p->prev->file_priv == 0) {
if (p->prev->file_priv == NULL) {
struct mem_block *q = p->prev;
q->size += p->size;
q->next = p->next;
@ -174,7 +174,7 @@ void radeon_mem_release(struct drm_file *file_priv, struct mem_block *heap)
* 'heap' to stop it being subsumed.
*/
list_for_each(p, heap) {
while (p->file_priv == 0 && p->next->file_priv == 0) {
while (p->file_priv == NULL && p->next->file_priv == NULL) {
struct mem_block *q = p->next;
p->size += q->size;
p->next = q->next;