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>
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@ -54,6 +54,13 @@ static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
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gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base,
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handle_level_irq);
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if (!gc) {
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pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
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__func__, uirq->base_irq);
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return;
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}
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ct = gc->chip_types;
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ct->chip.irq_ack = irq_gc_ack;
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ct->chip.irq_mask = irq_gc_mask_set_bit;
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@ -54,6 +54,13 @@ void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq)
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s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq,
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S3C64XX_TINT_CSTAT, handle_level_irq);
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if (!s3c_tgc) {
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pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n",
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__func__, timer_irq);
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return;
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}
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ct = s3c_tgc->chip_types;
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ct->chip.irq_mask = irq_gc_mask_clr_bit;
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ct->chip.irq_unmask = irq_gc_mask_set_bit;
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