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authorMonakhov Dmitriy <dmonakhov@openvz.org>2007-05-08 00:25:07 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:00 -0700
commit616883df78bd4b3fcdb6ddc39bd3d4cb902bfa32 (patch)
treec1ad0fa79ae7cc50593e7b435006520b07578970 /include/linux/interrupt.h
parentc761c84154dcd952182e4867d841298c9eb0b14b (diff)
IRQ: add __must_check to request_irq
This could help to find buggy drivers where request_irq return value wasn't checked. There's just no reason to ignore errors which can and do occur. Anyone who got warning during compilation have to realise what it is't realy safe code. Signed-off-by: Monakhov Dmitriy <dmonakhov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/interrupt.h')
-rw-r--r--include/linux/interrupt.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 0319f665dd3..2067a7ef6e6 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -83,11 +83,11 @@ struct irqaction {
};
extern irqreturn_t no_action(int cpl, void *dev_id);
-extern int request_irq(unsigned int, irq_handler_t handler,
+extern int __must_check request_irq(unsigned int, irq_handler_t handler,
unsigned long, const char *, void *);
extern void free_irq(unsigned int, void *);
-extern int devm_request_irq(struct device *dev, unsigned int irq,
+extern int __must_check devm_request_irq(struct device *dev, unsigned int irq,
irq_handler_t handler, unsigned long irqflags,
const char *devname, void *dev_id);
extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id);