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drop use of alloca, just use malloc/free 

Reported-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-04-14 15:01:16 +01:00
parent 0e8ee1cf4f
commit 6c1b5cb903
1 changed files with 2 additions and 1 deletions
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3
hw/xfree86/drivers/modesetting/driver.c
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@ -324,7 +324,7 @@ static void dispatch_dirty(ScreenPtr pScreen)
unsigned num_cliprects = REGION_NUM_RECTS(dirty);
if (num_cliprects) {
drmModeClip *clip = alloca(num_cliprects * sizeof(drmModeClip));
drmModeClip *clip = malloc(num_cliprects * sizeof(drmModeClip));
BoxPtr rect = REGION_RECTS(dirty);
int i, ret;
@ -338,6 +338,7 @@ static void dispatch_dirty(ScreenPtr pScreen)
/* TODO query connector property to see if this is needed */
ret = drmModeDirtyFB(ms->fd, ms->drmmode.fb_id, clip, num_cliprects);
free(clip);
if (ret) {
if (ret == -EINVAL || ret == -ENOSYS) {
ms->dirty_enabled = FALSE;