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[PATCH 12/19] extcon: rt8973a: fix handling regmap_irq_get_virq result

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  [PATCH 12/19] extcon: rt8973a: fix handling regmap_irq_get_virq result Andrzej Hajda <a.hajda@samsung.com> - 2015-09-24 16:10 +0200
    Re: [PATCH 12/19] extcon: rt8973a: fix handling regmap_irq_get_virq  result Chanwoo Choi <cw00.choi@samsung.com> - 2015-09-25 01:50 +0200

#1232112 — [PATCH 12/19] 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>
---
Hi,

To avoid problems with too many mail recipients I have sent whole
patchset only to LKML. Anyway patches have no dependencies.

Regards
Andrzej
---
 drivers/extcon/extcon-rt8973a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
index 3428b6a..1bc3737 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)
-- 
1.9.1

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#1232495 — Re: [PATCH 12/19] extcon: rt8973a: fix handling regmap_irq_get_virq result

On 2015년 09월 24일 23:00, Andrzej Hajda wrote:
> 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>
> ---
> Hi,
> 
> To avoid problems with too many mail recipients I have sent whole
> patchset only to LKML. Anyway patches have no dependencies.
> 
> Regards
> Andrzej
> ---
>  drivers/extcon/extcon-rt8973a.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
> index 3428b6a..1bc3737 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)
> 

Applied it.

Thanks,
Chanwoo Choi
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