diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-14 15:01:02 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-14 15:01:02 -0800 |
commit | ecdca043ebe8e3172e0400d0966831e2e60870a0 (patch) | |
tree | c1433e2399f544970e1f9ae7a469dbc9172c8e9f /drivers/gpio/gpiolib.c | |
parent | bb3215e97bb1ab917ed858322a9399fb32e69e49 (diff) | |
parent | 77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff) |
Merge 3.7-rc5 into driver-core-next
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r-- | drivers/gpio/gpiolib.c | 10 |
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) |