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authorAndrzej Hajda <a.hajda@samsung.com>2015-09-24 17:00:20 +0300
committerChanwoo Choi <cw00.choi@samsung.com>2015-09-29 11:58:43 +0300
commit238ffc2e64646951d2d3c541f3624b01be5f65e4 (patch)
tree2f29f05421043cd1a6f3d9c44ea3142fe3032a84 /drivers/extcon
parent4bf27b7038c23fe789aa9bd553a6391cc33ccfa1 (diff)
downloadlinux-238ffc2e64646951d2d3c541f3624b01be5f65e4.tar.xz
extcon: rt8973a: fix handling regmap_irq_get_virq result
The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
-rw-r--r--drivers/extcon/extcon-rt8973a.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
index 3428b6aae1a2..1bc3737ea01c 100644
--- a/drivers/extcon/extcon-rt8973a.c
+++ b/drivers/extcon/extcon-rt8973a.c
@@ -594,7 +594,7 @@ static int rt8973a_muic_i2c_probe(struct i2c_client *i2c,
for (i = 0; i < info->num_muic_irqs; i++) {
struct muic_irq *muic_irq = &info->muic_irqs[i];
- unsigned int virq = 0;
+ int virq = 0;
virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);
if (virq <= 0)