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Message-Id: <1291899510-19861-1-git-send-email-aaro.koskinen@nokia.com>
Date: Thu, 9 Dec 2010 14:58:30 +0200
From: Aaro Koskinen <aaro.koskinen@...ia.com>
To: eric.y.miao@...il.com, akpm@...ux-foundation.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] gpiolib: gpio_request_one(): add missing gpio_free()
If GPIO request succeeds, but configuration fails, it should be released.
Signed-off-by: Aaro Koskinen <aaro.koskinen@...ia.com>
---
drivers/gpio/gpiolib.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 21da9c1..649550e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1281,6 +1281,9 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
err = gpio_direction_output(gpio,
(flags & GPIOF_INIT_HIGH) ? 1 : 0);
+ if (err)
+ gpio_free(gpio);
+
return err;
}
EXPORT_SYMBOL_GPL(gpio_request_one);
--
1.5.6.5
--
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