From: Jackie Liu <liuyun01@xxxxxxxxxx>
The s3c24xx_init_intc() returns an error pointer upon failure, not NULL.
let's add an error pointer check in s3c24xx_handle_irq.
Fixes: 1f629b7a3ced ("ARM: S3C24XX: transform irq handling into a declarative form")
Signed-off-by: Jackie Liu <liuyun01@xxxxxxxxxx>
---
arch/arm/mach-s3c/irq-s3c24xx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-s3c/irq-s3c24xx.c b/arch/arm/mach-s3c/irq-s3c24xx.c
index 0c631c14a817..d58bf0f9bf9a 100644
--- a/arch/arm/mach-s3c/irq-s3c24xx.c
+++ b/arch/arm/mach-s3c/irq-s3c24xx.c
@@ -362,11 +362,11 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc,
static asmlinkage void __exception_irq_entry s3c24xx_handle_irq(struct pt_regs *regs)
{
do {
- if (likely(s3c_intc[0]))
+ if (likely(!IS_ERR_OR_NULL(s3c_intc[0])))
if (s3c24xx_handle_intc(s3c_intc[0], regs, 0))
continue;
- if (s3c_intc[2])
+ if (!IS_ERR_OR_NULL(s3c_intc[2]))
if (s3c24xx_handle_intc(s3c_intc[2], regs, 64))
continue;
--
2.25.1
