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| author | Todd Poynor <toddpoynor@google.com> | 2011-07-16 11:13:47 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-07-16 11:13:47 +0900 |
| commit | 691abd0abf8fd496c96fdb5b4fb64721f02aa513 (patch) | |
| tree | e8a7e9ded2937b3edfbf99ce8e104e1a17981df3 /arch/arm/plat-samsung/irq-uart.c | |
| parent | 620917de59eeb934b9f8cf35cc2d95c1ac8ed0fc (diff) | |
| download | kernel_samsung_smdk4412-691abd0abf8fd496c96fdb5b4fb64721f02aa513.zip kernel_samsung_smdk4412-691abd0abf8fd496c96fdb5b4fb64721f02aa513.tar.gz kernel_samsung_smdk4412-691abd0abf8fd496c96fdb5b4fb64721f02aa513.tar.bz2 | |
ARM: SAMSUNG: Check NULL return from irq_alloc_generic_chip
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung/irq-uart.c')
| -rw-r--r-- | arch/arm/plat-samsung/irq-uart.c | 7 |
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 32582c0..38c5364 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; ct->chip.irq_mask = irq_gc_mask_set_bit; |