2018-09-28 21:26:06

by Alexey Khoroshilov

[permalink] [raw]
Subject: [PATCH] staging: axis-fifo: add error handling of class_create()

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <[email protected]>
---
drivers/staging/axis-fifo/axis-fifo.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c
index abeee0ecc122..63c8efd1b8db 100644
--- a/drivers/staging/axis-fifo/axis-fifo.c
+++ b/drivers/staging/axis-fifo/axis-fifo.c
@@ -1089,6 +1089,8 @@ static int __init axis_fifo_init(void)
pr_info("axis-fifo driver loaded with parameters read_timeout = %i, write_timeout = %i\n",
read_timeout, write_timeout);
axis_fifo_driver_class = class_create(THIS_MODULE, DRIVER_NAME);
+ if (IS_ERR(axis_fifo_driver_class))
+ return PTR_ERR(axis_fifo_driver_class);
return platform_driver_register(&axis_fifo_driver);
}

--
2.7.4