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staging: axis-fifo: add error handling of class_create() 

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexey Khoroshilov 2018-09-29 00:25:27 +03:00 committed by Greg Kroah-Hartman
parent 869d3acd48
commit a24b420bb3
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/axis-fifo/axis-fifo.c
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@ -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);
}