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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-17 12:47:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-17 12:47:11 -0700
commit94b0522ab77e4d74950e258e804ba05030b6fcff (patch)
tree79e4898ddcfe86b7c529a4529556cd5fc5ec9cab /arch/arm/plat-samsung/irq-uart.c
parentd4bd4b40f8b18ad6a7e269e8f5c06f953f51016d (diff)
parentd670ac019f60e4932ba329bb0800bf2929e6d77c (diff)
Merge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: DMA Cleanup as per sparse ARM: SAMSUNG: Check NULL return from irq_alloc_generic_chip
Diffstat (limited to 'arch/arm/plat-samsung/irq-uart.c')
-rw-r--r--arch/arm/plat-samsung/irq-uart.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c
index 0e46588d847..657405c481d 100644
--- a/arch/arm/plat-samsung/irq-uart.c
+++ b/arch/arm/plat-samsung/irq-uart.c
@@ -54,6 +54,13 @@ static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base,
handle_level_irq);
+
+ if (!gc) {
+ pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
+ __func__, uirq->base_irq);
+ return;
+ }
+
ct = gc->chip_types;
ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_set_bit;