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broadcom-diag: show error message in case something goes wrong with gpio irq
author
Hauke Mehrtens
<hauke@openwrt.org>
Sat, 3 Aug 2013 17:12:07 +0000
(17:12 +0000)
committer
Hauke Mehrtens
<hauke@openwrt.org>
Sat, 3 Aug 2013 17:12:07 +0000
(17:12 +0000)
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37668
3c298f89
-4303-0410-b956-
a3cf2f4a3e73
package/kernel/broadcom-diag/src/diag.c
patch
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diff --git
a/package/kernel/broadcom-diag/src/diag.c
b/package/kernel/broadcom-diag/src/diag.c
index
c2a0d09
..
1fad586
100644
(file)
--- a/
package/kernel/broadcom-diag/src/diag.c
+++ b/
package/kernel/broadcom-diag/src/diag.c
@@
-1424,13
+1424,20
@@
static inline void ssb_maskset32(struct ssb_device *dev,
static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
{
int irq;
+ int err;
irq = gpio_to_irq(0);
- if (irq == -EINVAL) return;
+ if (irq < 0) {
+ pr_err("no irq for gpio available\n");
+ return;
+ }
if (enabled) {
- if (request_irq(irq, handler, IRQF_SHARED, "gpio", handler))
+ err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
+ if (err) {
+ pr_err("can not reqeust irq\n");
return;
+ }
} else {
free_irq(irq, handler);
}