diff options
| author | Todd Poynor <toddpoynor@google.com> | 2011-07-16 04:13:47 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-07-16 04:13:47 +0200 |
| commit | 691abd0abf8fd496c96fdb5b4fb64721f02aa513 (patch) | |
| tree | e8a7e9ded2937b3edfbf99ce8e104e1a17981df3 /arch/arm | |
| parent | Linux 3.0-rc7 (diff) | |
| download | linux-691abd0abf8fd496c96fdb5b4fb64721f02aa513.tar.xz linux-691abd0abf8fd496c96fdb5b4fb64721f02aa513.zip | |
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')
| -rw-r--r-- | arch/arm/plat-samsung/irq-uart.c | 7 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/irq-vic-timer.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c index 32582c0958e3..38c53646bd64 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; diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c index a607546ddbd0..f714d060370d 100644 --- a/arch/arm/plat-samsung/irq-vic-timer.c +++ b/arch/arm/plat-samsung/irq-vic-timer.c @@ -54,6 +54,13 @@ void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq) s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq, S3C64XX_TINT_CSTAT, handle_level_irq); + + if (!s3c_tgc) { + pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n", + __func__, timer_irq); + return; + } + ct = s3c_tgc->chip_types; ct->chip.irq_mask = irq_gc_mask_clr_bit; ct->chip.irq_unmask = irq_gc_mask_set_bit; |