]> git.baikalelectronics.ru Git - kernel.git/commit
gpio: mockup: return -EFAULT if copy_from_user() fails
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 14 Feb 2017 23:02:06 +0000 (02:02 +0300)
committerLinus Walleij <linus.walleij@linaro.org>
Mon, 6 Mar 2017 13:35:21 +0000 (14:35 +0100)
commit5057eb3590194f10a0a0a967662d7187db560e30
treec0d0cbce48775859ff1800c2b0a3ca301e5eb13a
parentd4916dd9c30a17701105f21ae8558355093181a7
gpio: mockup: return -EFAULT if copy_from_user() fails

copy_from_user() returns the number of bytes remaining to be copied but
we want to return negative error codes on failue.

Fixes: 74d3c983200f ("gpio: mockup: implement event injecting over debugfs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-mockup.c