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wayland-cursor: Add error handling for shm_pool_create()

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Martin Olsson 2012-07-09 11:35:54 +02:00 • committed by Kristian Høgsberg
parent 8a023688c0
commit 00902b3815
1 changed files with 11 additions and 9 deletions
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20
cursor/wayland-cursor.c
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@ -49,27 +49,29 @@ shm_pool_create(struct wl_shm *shm, int size)
pool->fd = mkstemp(filename);
if (pool->fd < 0)
return NULL;
goto err_free;
if (ftruncate(pool->fd, size) < 0) {
close(pool->fd);
return NULL;
}
if (ftruncate(pool->fd, size) < 0)
goto err_close;
pool->data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
pool->fd, 0);
unlink(filename);
if (pool->data == MAP_FAILED) {
close(pool->fd);
return NULL;
}
if (pool->data == MAP_FAILED)
goto err_close;
pool->pool = wl_shm_create_pool(shm, pool->fd, size);
pool->size = size;
pool->used = 0;
return pool;
err_close:
close(pool->fd);
err_free:
free(pool);
return NULL;
}
static int