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authorJayachandran C <jchandra@broadcom.com>2014-04-29 20:07:43 +0530
committerRalf Baechle <ralf@linux-mips.org>2014-05-30 16:46:07 +0200
commit9de10ffb54565b4d427adf1037579617e73cb8bf (patch)
tree8eea9a9dc4d7d6306f9edc6e4287b0a71c7dd316 /arch/mips/netlogic/common/irq.c
parent3e468567c2d56441079db090b3771bfc9d91cba5 (diff)
downloadblackbird-op-linux-9de10ffb54565b4d427adf1037579617e73cb8bf.tar.gz
blackbird-op-linux-9de10ffb54565b4d427adf1037579617e73cb8bf.zip
MIPS: Netlogic: Warn on invalid irq
Warn and return if invalid IRQ is passed to nlm_set_pic_extra_ack. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6862/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic/common/irq.c')
-rw-r--r--arch/mips/netlogic/common/irq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c
index 5afc4b7fce0f..c100b9afa0ab 100644
--- a/arch/mips/netlogic/common/irq.c
+++ b/arch/mips/netlogic/common/irq.c
@@ -203,6 +203,8 @@ void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *))
xirq = nlm_irq_to_xirq(node, irq);
pic_data = irq_get_handler_data(xirq);
+ if (WARN_ON(!pic_data))
+ return;
pic_data->extra_ack = xack;
}
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