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Fix return value of get_plane_id

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The caller checks for 0, not negative values.
This commit is contained in:
Simon Ser 2021-02-01 14:22:53 +01:00
parent 0c99a3c09d
commit b8ecceb48b
1 changed files with 4 additions and 4 deletions
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8
src/drm.cpp
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@ -143,17 +143,17 @@ static bool get_prop_value(struct drm_t *drm, drmModeObjectProperties *props, co
/* Pick a plane.. something that at a minimum can be connected to
* the chosen crtc, but prefer primary plane.
*/
static int get_plane_id(struct drm_t *drm)
static uint32_t get_plane_id(struct drm_t *drm)
{
drmModePlaneResPtr plane_resources;
uint32_t i;
int ret = -EINVAL;
uint32_t ret = 0;
int found_primary = 0;
plane_resources = drmModeGetPlaneResources(drm->fd);
if (!plane_resources) {
perror("drmModeGetPlaneResources failed");
return -1;
return 0;
}
for (i = 0; (i < plane_resources->count_planes) && !found_primary; i++) {
@ -174,7 +174,7 @@ static int get_plane_id(struct drm_t *drm)
uint64_t plane_type;
if (!get_prop_value(drm, props, "type", &plane_type)) {
fprintf(stderr, "Plane %" PRIu32 " is missing the type property", id);
return -1;
return 0;
}
if (plane_type == DRM_PLANE_TYPE_PRIMARY) {