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shm: Plug leak in shm_create_pool()

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This commit is contained in:
Martin Olsson 2012-07-09 11:35:57 +02:00 • committed by Kristian Høgsberg
parent 53bb401704
commit c94c0946db
1 changed files with 9 additions and 6 deletions
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15
src/wayland-shm.c
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@ -188,29 +188,27 @@ shm_create_pool(struct wl_client *client, struct wl_resource *resource,
pool = malloc(sizeof *pool);
if (pool == NULL) {
wl_resource_post_no_memory(resource);
close(fd);
return;
goto err_close;
}
if (size <= 0) {
wl_resource_post_error(resource,
WL_SHM_ERROR_INVALID_STRIDE,
"invalid size (%d)", size);
close(fd);
return;
goto err_free;
}
pool->refcount = 1;
pool->size = size;
pool->data = mmap(NULL, size,
PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
if (pool->data == MAP_FAILED) {
wl_resource_post_error(resource,
WL_SHM_ERROR_INVALID_FD,
"failed mmap fd %d", fd);
return;
goto err_free;
}
close(fd);
pool->resource.object.id = id;
pool->resource.object.interface = &wl_shm_pool_interface;
@ -222,6 +220,11 @@ shm_create_pool(struct wl_client *client, struct wl_resource *resource,
pool->resource.destroy = destroy_pool;
wl_client_add_resource(client, &pool->resource);
err_close:
close(fd);
err_free:
free(pool);
}
static const struct wl_shm_interface shm_interface = {