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* [PATCH] irqchip/qcom: fix u32 comparison with value less than zero
@ 2017-11-17 18:35 Colin King
  2017-11-23 19:09 ` [tip:irq/urgent] irqchip/qcom: Fix " tip-bot for Colin Ian King
  0 siblings, 1 reply; 2+ messages in thread
From: Colin King @ 2017-11-17 18:35 UTC (permalink / raw)
  To: Thomas Gleixner, Jason Cooper, Marc Zyngier; +Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

The comparison of u32 nregs being less than zero is never true since
nregs is unsigned. Fix this by making nregs a signed integer.

Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/irqchip/qcom-irq-combiner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/qcom-irq-combiner.c b/drivers/irqchip/qcom-irq-combiner.c
index 6aa3ea479214..f31265937439 100644
--- a/drivers/irqchip/qcom-irq-combiner.c
+++ b/drivers/irqchip/qcom-irq-combiner.c
@@ -238,7 +238,7 @@ static int __init combiner_probe(struct platform_device *pdev)
 {
 	struct combiner *combiner;
 	size_t alloc_sz;
-	u32 nregs;
+	int nregs;
 	int err;
 
 	nregs = count_registers(pdev);
-- 
2.14.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [tip:irq/urgent] irqchip/qcom: Fix u32 comparison with value less than zero
  2017-11-17 18:35 [PATCH] irqchip/qcom: fix u32 comparison with value less than zero Colin King
@ 2017-11-23 19:09 ` tip-bot for Colin Ian King
  0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Colin Ian King @ 2017-11-23 19:09 UTC (permalink / raw)
  To: linux-tip-commits
  Cc: tglx, jason, mingo, colin.king, hpa, marc.zyngier, linux-kernel

Commit-ID:  e9990d70e8a063a7b894c5cbb99f630a0f41200d
Gitweb:     https://git.kernel.org/tip/e9990d70e8a063a7b894c5cbb99f630a0f41200d
Author:     Colin Ian King <colin.king@canonical.com>
AuthorDate: Fri, 17 Nov 2017 18:35:53 +0000
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 23 Nov 2017 20:03:58 +0100

irqchip/qcom: Fix u32 comparison with value less than zero

The comparison of u32 nregs being less than zero is never true since
nregs is unsigned. Fix this by making nregs a signed integer.

Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: kernel-janitors@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>
Link: https://lkml.kernel.org/r/20171117183553.2739-1-colin.king@canonical.com

---
 drivers/irqchip/qcom-irq-combiner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/qcom-irq-combiner.c b/drivers/irqchip/qcom-irq-combiner.c
index 6aa3ea4..f312659 100644
--- a/drivers/irqchip/qcom-irq-combiner.c
+++ b/drivers/irqchip/qcom-irq-combiner.c
@@ -238,7 +238,7 @@ static int __init combiner_probe(struct platform_device *pdev)
 {
 	struct combiner *combiner;
 	size_t alloc_sz;
-	u32 nregs;
+	int nregs;
 	int err;
 
 	nregs = count_registers(pdev);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2017-11-23 19:11 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2017-11-17 18:35 [PATCH] irqchip/qcom: fix u32 comparison with value less than zero Colin King
2017-11-23 19:09 ` [tip:irq/urgent] irqchip/qcom: Fix " tip-bot for Colin Ian King

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