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| author | Axel Lin <axel.lin@gmail.com> | 2012-08-28 19:30:44 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-09-01 01:18:39 +0200 |
| commit | dd2914972e5f6d9c1a687158c0f65b81d239fe37 (patch) | |
| tree | 17ac0aed21b9898bf4844686ca437e9ff329ddfe /drivers/gpio/gpio-em.c | |
| parent | 4c30aa33d4b4ce9a0ee5b32d058a40f4eca2ab63 (diff) | |
| download | linux-dd2914972e5f6d9c1a687158c0f65b81d239fe37.tar.gz linux-dd2914972e5f6d9c1a687158c0f65b81d239fe37.tar.bz2 linux-dd2914972e5f6d9c1a687158c0f65b81d239fe37.zip | |
gpio: em: Fix checking return value of irq_alloc_descs
irq_alloc_descs() returns negative error code on failure.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-em.c')
| -rw-r--r-- | drivers/gpio/gpio-em.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index ae37181798b3..ec48ed512628 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -247,9 +247,9 @@ static int __devinit em_gio_irq_domain_init(struct em_gio_priv *p) p->irq_base = irq_alloc_descs(pdata->irq_base, 0, pdata->number_of_pins, numa_node_id()); - if (IS_ERR_VALUE(p->irq_base)) { + if (p->irq_base < 0) { dev_err(&pdev->dev, "cannot get irq_desc\n"); - return -ENXIO; + return p->irq_base; } pr_debug("gio: hw base = %d, nr = %d, sw base = %d\n", pdata->gpio_base, pdata->number_of_pins, p->irq_base); |