[PATCH v2 2/7] gpio: mockup: code shrink

From: Bartosz Golaszewski
Date: Mon Feb 06 2017 - 07:12:26 EST


Moving a couple of lines around allows us to shrink the code a bit
while keeping the same functionality.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
drivers/gpio/gpio-mockup.c | 29 ++++++++---------------------
1 file changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 5f6ed4b..d425601 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -92,7 +92,6 @@ static int gpio_mockup_add(struct device *dev,
const char *name, int base, int ngpio)
{
struct gpio_chip *gc = &chip->gc;
- int ret;

gc->base = base;
gc->ngpio = ngpio;
@@ -107,21 +106,10 @@ static int gpio_mockup_add(struct device *dev,

chip->lines = devm_kzalloc(dev, sizeof(*chip->lines) * gc->ngpio,
GFP_KERNEL);
- if (!chip->lines) {
- ret = -ENOMEM;
- goto err;
- }
-
- ret = devm_gpiochip_add_data(dev, &chip->gc, chip);
- if (ret)
- goto err;
-
- dev_info(dev, "gpio<%d..%d> add successful!", base, base + ngpio);
- return 0;
+ if (!chip->lines)
+ return -ENOMEM;

-err:
- dev_err(dev, "gpio<%d..%d> add failed!", base, base + ngpio);
- return ret;
+ return devm_gpiochip_add_data(dev, &chip->gc, chip);
}

static int gpio_mockup_probe(struct platform_device *pdev)
@@ -164,15 +152,14 @@ static int gpio_mockup_probe(struct platform_device *pdev)
}

if (ret) {
- if (base < 0)
- dev_err(dev, "gpio<%d..%d> add failed\n",
- base, ngpio);
- else
- dev_err(dev, "gpio<%d..%d> add failed\n",
- base, base + ngpio);
+ dev_err(dev, "gpio<%d..%d> add failed\n",
+ base, base < 0 ? ngpio : base + ngpio);

return ret;
}
+
+ dev_info(dev, "gpio<%d..%d> add successful!",
+ base, base + ngpio);
}

return 0;
--
2.9.3