The function mctrl_gpio_init returns failure if the assignment to any
member of the gpio array results in an error pointer. So there is no
need to check for such error values in the other functions.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
Notes:
Changes since (implicit) v1, sent with
Message-Id: 1431979199-17745-1-git-send-email-u.kleine-koenig@xxxxxxxxxxxxxx:
- don't invert if condition, thanks Janusz
drivers/tty/serial/serial_mctrl_gpio.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c
index 0ec756c62bcf..ef8ea1f184c7 100644
--- a/drivers/tty/serial/serial_mctrl_gpio.c
+++ b/drivers/tty/serial/serial_mctrl_gpio.c
@@ -49,8 +49,7 @@ void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl)
unsigned int count = 0;
for (i = 0; i < UART_GPIO_MAX; i++)
- if (!IS_ERR_OR_NULL(gpios->gpio[i]) &&
- mctrl_gpios_desc[i].dir_out) {
+ if (gpios->gpio[i] && mctrl_gpios_desc[i].dir_out) {
desc_array[count] = gpios->gpio[i];
value_array[count] = !!(mctrl & mctrl_gpios_desc[i].mctrl);
count++;
@@ -118,7 +117,7 @@ void mctrl_gpio_free(struct device *dev, struct mctrl_gpios *gpios)
enum mctrl_gpio_idx i;
for (i = 0; i < UART_GPIO_MAX; i++)
- if (!IS_ERR_OR_NULL(gpios->gpio[i]))
+ if (gpios->gpio[i])
devm_gpiod_put(dev, gpios->gpio[i]);
devm_kfree(dev, gpios);
}
--
2.1.4
--
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