[PATCH 4/4] ARM: OMAP2+: Check NULL return from irq_alloc_generic_chip
From: Todd Poynor <hidden>
Date: 2011-07-12 22:42:05
Also in:
linux-omap
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
Signed-off-by: Todd Poynor <redacted> --- arch/arm/mach-omap2/irq.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 3af2b7a..acbb05c 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c@@ -129,6 +129,13 @@ omap_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num) gc = irq_alloc_generic_chip("INTC", 1, irq_start, base, handle_level_irq); + + if (!gc) { + pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n", + __func__, irq_start); + return; + } + ct = gc->chip_types; ct->chip.irq_ack = omap_mask_ack_irq; ct->chip.irq_mask = irq_gc_mask_disable_reg;
--
1.7.3.1