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sna: Use memcmp() to avoid strict aliasing warns 

../src/sna/sna_display.c: In function ‘sna_covering_crtc’:
../src/sna/sna_display.c:8235:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   if (*(const uint64_t *)box == *(uint64_t *)&crtc->bounds) {

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2019-03-19 16:53:35 +02:00
parent 17ecd906f3
commit 97ce021570
1 changed files with 1 additions and 1 deletions
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2
src/sna/sna_display.c
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@ -8232,7 +8232,7 @@ sna_covering_crtc(struct sna *sna, const BoxRec *box, xf86CrtcPtr desired)
__FUNCTION__, c,
crtc->bounds.x1, crtc->bounds.y1,
crtc->bounds.x2, crtc->bounds.y2));
if (*(const uint64_t *)box == *(uint64_t *)&crtc->bounds) {
if (!memcmp(box, &crtc->bounds, sizeof(*box))) {
DBG(("%s: box exactly matches crtc [%d]\n",
__FUNCTION__, c));
return crtc;