From f67db75ec118f6ec64e60113dbdecb20b4ea1abd Mon Sep 17 00:00:00 2001
From: YaoBing Xiao <xiaoyaobing@uniontech.com>
Date: Fri, 18 Oct 2024 10:25:21 +0800
Subject: [PATCH] cursor: add check to ensure wl_shm_create_pool succeeded

Signed-off-by: YaoBing Xiao <xiaoyaobing@uniontech.com>
---
 cursor/wayland-cursor.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cursor/wayland-cursor.c b/cursor/wayland-cursor.c
index 156f0a80..636f5166 100644
--- a/cursor/wayland-cursor.c
+++ b/cursor/wayland-cursor.c
@@ -68,11 +68,16 @@ shm_pool_create(struct wl_shm *shm, int size)
 		goto err_close;
 
 	pool->pool = wl_shm_create_pool(shm, pool->fd, size);
+	if (!pool->pool)
+		goto err_unmap;
+
 	pool->size = size;
 	pool->used = 0;
 
 	return pool;
 
+err_unmap:
+	munmap(pool->data, size);
 err_close:
 	close(pool->fd);
 err_free: