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lib: NULLify ->cairo_surface once unmapped

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Just a matter of not leaving dangling pointers around.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2014-07-11 14:45:37 +01:00
parent 4aadbc817b
commit 72357f3de0
1 changed files with 2 additions and 0 deletions
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2
lib/igt_fb.c
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@ -521,7 +521,9 @@ static cairo_format_t drm_format_to_cairo(uint32_t drm_format)
static void destroy_cairo_surface__gtt(void *arg) static void destroy_cairo_surface__gtt(void *arg)
{ {
struct igt_fb *fb = arg; struct igt_fb *fb = arg;
munmap(cairo_image_surface_get_data(fb->cairo_surface), fb->size); munmap(cairo_image_surface_get_data(fb->cairo_surface), fb->size);
fb->cairo_surface = NULL;
} }
static void create_cairo_surface__gtt(int fd, struct igt_fb *fb) static void create_cairo_surface__gtt(int fd, struct igt_fb *fb)