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window: Only unmap shm surface backing memory if it belongs to surface 

Memory allocated out of the resize shm pool will be unmapped when the pool
is destroyed.
This commit is contained in:
Kristian Høgsberg 2012-04-10 11:32:35 -04:00
parent 6e2a8d74b5
commit 24b5e230fa
1 changed files with 6 additions and 4 deletions
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10
clients/window.c
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@ -464,7 +464,8 @@ shm_surface_data_destroy(void *p)
struct shm_surface_data *data = p;
wl_buffer_destroy(data->data.buffer);
munmap(data->map, data->length);
if (data->map)
munmap(data->map, data->length);
}
static struct wl_shm_pool *
@ -523,9 +524,10 @@ display_create_shm_surface(struct display *display,
if (window && window->pool && data->length < window->pool_size) {
pool = window->pool;
map = window->pool_data;
data->map = NULL;
} else {
pool = make_shm_pool(display, data->length, &data->map);
map = data->map;
pool = make_shm_pool(display, data->length, &map);
data->map = map;
}
surface = cairo_image_surface_create_for_data (map,
@ -547,7 +549,7 @@ display_create_shm_surface(struct display *display,
rectangle->height,
stride, format);
if (map == data->map)
if (data->map)
wl_shm_pool_destroy(pool);
return surface;