Commit 444efbde authored Mar 06, 2019 by YueHaibing Committed by Kalle Valo Apr 25, 2019

ray_cs: Check return value of pcmcia_register_driver



init_ray_cs does not check value of pcmcia_register_driver,
if it fails, there maybe cause a NULL pointer dereference in
exit_ray_cs.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

parent d442af2e

drivers/net/wireless/ray_cs.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2795,6 +2795,8 @@ static int __init init_ray_cs(void)
		rc = pcmcia_register_driver(&ray_driver);
		pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
		rc);
		if (rc)
		return rc;

		#ifdef CONFIG_PROC_FS
		proc_mkdir("driver/ray_cs", NULL);