From: Wei Yongjun weiyongjun1@huawei.com
commit 59929d3a2eb6c4abafc5b61a20c98aa8728ec378 upstream.
When using single_open() for opening, single_release() should be used instead of seq_release(), otherwise there is a memory leak.
Fixes: 2a9e27408e12 ("gpio: mockup: rework debugfs interface") Cc: stable stable@vger.kernel.org Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpio/gpio-mockup.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -309,6 +309,7 @@ static const struct file_operations gpio .read = gpio_mockup_debugfs_read, .write = gpio_mockup_debugfs_write, .llseek = no_llseek, + .release = single_release, };
static void gpio_mockup_debugfs_setup(struct device *dev,