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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-14 15:01:02 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-14 15:01:02 -0800
commitecdca043ebe8e3172e0400d0966831e2e60870a0 (patch)
treec1433e2399f544970e1f9ae7a469dbc9172c8e9f /drivers/gpio/gpiolib.c
parentbb3215e97bb1ab917ed858322a9399fb32e69e49 (diff)
parent77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff)
Merge 3.7-rc5 into driver-core-next
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5d6c71edc73..1c8d9e3380e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -623,9 +623,11 @@ static ssize_t export_store(struct class *class,
*/
status = gpio_request(gpio, "sysfs");
- if (status < 0)
+ if (status < 0) {
+ if (status == -EPROBE_DEFER)
+ status = -ENODEV;
goto done;
-
+ }
status = gpio_export(gpio, true);
if (status < 0)
gpio_free(gpio);
@@ -1191,8 +1193,10 @@ int gpio_request(unsigned gpio, const char *label)
spin_lock_irqsave(&gpio_lock, flags);
- if (!gpio_is_valid(gpio))
+ if (!gpio_is_valid(gpio)) {
+ status = -EINVAL;
goto done;
+ }
desc = &gpio_desc[gpio];
chip = desc->chip;
if (chip == NULL)