From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 13 Sep 2007 16:36:22 +0000 (+0100)
Subject: [MIPS] Malta: Fix off by one bug in interrupt handler.
X-Git-Tag: firefly_0821_release~26510^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=48d480b0bde794781fcae9501fb043c1bac0e523;p=firefly-linux-kernel-4.4.55.git

[MIPS] Malta: Fix off by one bug in interrupt handler.

Fairly cosmetic as it would only affect VSMP / SMTC kernels that don't
use vectored interrupts.

Found by Beth.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c
index 97aeb8c4e601..b73f21823c5e 100644
--- a/arch/mips/mips-boards/malta/malta_int.c
+++ b/arch/mips/mips-boards/malta/malta_int.c
@@ -256,7 +256,7 @@ asmlinkage void plat_irq_dispatch(void)
 
 	if (irq == MIPSCPU_INT_I8259A)
 		malta_hw0_irqdispatch();
-	else if (irq > 0)
+	else if (irq >= 0)
 		do_IRQ(MIPS_CPU_IRQ_BASE + irq);
 	else
 		spurious_interrupt();