[PATCH 1/2] ARM: OMAP3: PRM: fix of_irq_get() result check
From: Sergei Shtylyov <hidden>
Date: 2017-08-06 13:38:50
Also in:
linux-omap
From: Sergei Shtylyov <hidden>
Date: 2017-08-06 13:38:50
Also in:
linux-omap
of_irq_get() may return 0 as well as a nagative error number on failure
(and never on success), however omap3xxx_prm_late_init() regards 0 as a
valid IRQ -- fix this.
Fixes: 1e037794f7f ("ARM: OMAP3+: PRM: register interrupt information from DT")
Signed-off-by: Sergei Shtylyov <redacted>
---
arch/arm/mach-omap2/prm3xxx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-omap/arch/arm/mach-omap2/prm3xxx.c
===================================================================--- linux-omap.orig/arch/arm/mach-omap2/prm3xxx.c
+++ linux-omap/arch/arm/mach-omap2/prm3xxx.c@@ -706,7 +706,7 @@ static int omap3xxx_prm_late_init(void) np = of_find_matching_node(NULL, omap3_prm_dt_match_table); if (np) { irq_num = of_irq_get(np, 0); - if (irq_num >= 0) + if (irq_num > 0) omap3_prcm_irq_setup.irq = irq_num; } }