[Mesa-dev] [PATCH V2] intel: Add a null pointer check before dereferencing the pointer
Anuj Phogat
anuj.phogat at gmail.com
Tue Apr 16 16:13:43 PDT 2013
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
src/mesa/drivers/dri/intel/intel_screen.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 16750f2..00e7bc6 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -368,6 +368,9 @@ intel_create_image_from_name(__DRIscreen *screen,
int cpp;
image = intel_allocate_image(format, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
if (image->format == MESA_FORMAT_NONE)
cpp = 1;
else
@@ -504,6 +507,9 @@ intel_create_image(__DRIscreen *screen,
}
image = intel_allocate_image(format, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
cpp = _mesa_get_format_bytes(image->format);
image->region =
intel_region_alloc(intelScreen, tiling, cpp, width, height, true);
@@ -707,6 +713,9 @@ intel_from_planar(__DRIimage *parent, int plane, void *loaderPrivate)
stride = parent->strides[index];
image = intel_allocate_image(dri_format, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
if (offset + height * stride > parent->region->bo->size) {
_mesa_warning(NULL, "intel_create_sub_image: subimage out of bounds");
free(image);
--
1.8.1.4
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