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| author | Axel Lin <axel.lin@ingics.com> | 2013-03-29 00:18:12 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 14:31:19 +0200 |
| commit | 28d0c14b43a04deac8afe27ab700cc7638a7f4ba (patch) | |
| tree | 74b5100ea1102035f7a6b655ebb4e5bdf850e9a7 /drivers/pinctrl | |
| parent | 175ca83c0b6ab3c2af2d9e1ffff4d274910bbc10 (diff) | |
| download | linux-28d0c14b43a04deac8afe27ab700cc7638a7f4ba.tar.gz linux-28d0c14b43a04deac8afe27ab700cc7638a7f4ba.tar.bz2 linux-28d0c14b43a04deac8afe27ab700cc7638a7f4ba.zip | |
pinctrl: coh901: Fix error checking in u300_gpio_to_irq
The pointer "port" is always not NULL if gpio->port_list is not empty.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-coh901.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c index 86887850ac13..edde3acc4186 100644 --- a/drivers/pinctrl/pinctrl-coh901.c +++ b/drivers/pinctrl/pinctrl-coh901.c @@ -318,13 +318,16 @@ static int u300_gpio_to_irq(struct gpio_chip *chip, unsigned offset) struct u300_gpio_port *port = NULL; struct list_head *p; int retirq; + bool found = false; list_for_each(p, &gpio->port_list) { port = list_entry(p, struct u300_gpio_port, node); - if (port->number == portno) + if (port->number == portno) { + found = true; break; + } } - if (port == NULL) { + if (!found) { dev_err(gpio->dev, "could not locate port for GPIO %d IRQ\n", offset); return -EINVAL; |