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Diffstat (limited to 'src/gbm/backends/dri/gbm_dri.c')
-rw-r--r--src/gbm/backends/dri/gbm_dri.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index f6818366b17..9d08a97e648 100644
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -30,6 +30,7 @@
#include <stddef.h>
#include <stdint.h>
#include <string.h>
+#include <errno.h>
#include <limits.h>
#include <sys/types.h>
@@ -353,8 +354,10 @@ gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count)
{
struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
- if (bo->image != NULL)
+ if (bo->image != NULL) {
+ errno = EINVAL;
return -1;
+ }
memcpy(bo->map, buf, count);
@@ -432,8 +435,10 @@ gbm_dri_bo_import(struct gbm_device *gbm,
int gbm_format;
/* Required for query image WIDTH & HEIGHT */
- if (dri->image->base.version < 4)
+ if (dri->image->base.version < 4) {
+ errno = ENOSYS;
return NULL;
+ }
switch (type) {
#if HAVE_WAYLAND_PLATFORM
@@ -441,12 +446,16 @@ gbm_dri_bo_import(struct gbm_device *gbm,
{
struct wl_drm_buffer *wb;
- if (!dri->wl_drm)
+ if (!dri->wl_drm) {
+ errno = EINVAL;
return NULL;
+ }
wb = wayland_drm_buffer_get(dri->wl_drm, (struct wl_resource *) buffer);
- if (!wb)
+ if (!wb) {
+ errno = EINVAL;
return NULL;
+ }
image = dri->image->dupImage(wb->driver_buffer, NULL);
@@ -473,15 +482,19 @@ gbm_dri_bo_import(struct gbm_device *gbm,
case GBM_BO_IMPORT_EGL_IMAGE:
{
int dri_format;
- if (dri->lookup_image == NULL)
+ if (dri->lookup_image == NULL) {
+ errno = EINVAL;
return NULL;
+ }
image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data);
image = dri->image->dupImage(image, NULL);
dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format);
gbm_format = gbm_dri_to_gbm_format(dri_format);
- if (gbm_format == 0)
+ if (gbm_format == 0) {
+ errno = EINVAL;
return NULL;
+ }
break;
}
@@ -502,6 +515,7 @@ gbm_dri_bo_import(struct gbm_device *gbm,
}
default:
+ errno = ENOSYS;
return NULL;
}
@@ -518,6 +532,7 @@ gbm_dri_bo_import(struct gbm_device *gbm,
dri_use |= __DRI_IMAGE_USE_CURSOR;
if (dri->image->base.version >= 2 &&
!dri->image->validateUsage(bo->image, dri_use)) {
+ errno = EINVAL;
free(bo);
return NULL;
}
@@ -549,10 +564,14 @@ create_dumb(struct gbm_device *gbm,
struct drm_mode_destroy_dumb destroy_arg;
int ret;
- if (!(usage & GBM_BO_USE_CURSOR_64X64))
+ if (!(usage & GBM_BO_USE_CURSOR_64X64)) {
+ errno = EINVAL;
return NULL;
- if (format != GBM_FORMAT_ARGB8888)
+ }
+ if (format != GBM_FORMAT_ARGB8888) {
+ errno = EINVAL;
return NULL;
+ }
bo = calloc(1, sizeof *bo);
if (bo == NULL)
@@ -643,6 +662,7 @@ gbm_dri_bo_create(struct gbm_device *gbm,
dri_format = __DRI_IMAGE_FORMAT_XRGB2101010;
break;
default:
+ errno = EINVAL;
goto failed;
}