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authorYinghai Lu <yinghai@kernel.org>2008-12-26 13:05:47 +0300
committerIngo Molnar <mingo@elte.hu>2008-12-27 15:24:00 +0300
commit13a0c3c269b223f60abfac8a9811d77111a8b4ba (patch)
treeb57a92eb9eb7c8c1de30bbe29b6a461289e75c62 /include
parent793f7b12a0c95e7bfec1badf9628043fb78fd440 (diff)
downloadlinux-13a0c3c269b223f60abfac8a9811d77111a8b4ba.tar.xz
sparseirq: work around compiler optimizing away __weak functions
Impact: fix panic on null pointer with sparseirq Some GCC versions seem to inline the weak global function, when that function is empty. Work it around, by making the functions return a (dummy) integer. Signed-off-by: Yinghai <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
-rw-r--r--include/linux/irq.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 69da275c0ebd..0e40af4bac40 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -193,9 +193,9 @@ struct irq_desc {
const char *name;
} ____cacheline_internodealigned_in_smp;
-extern void early_irq_init(void);
-extern void arch_early_irq_init(void);
-extern void arch_init_chip_data(struct irq_desc *desc, int cpu);
+extern int early_irq_init(void);
+extern int arch_early_irq_init(void);
+extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
struct irq_desc *desc, int cpu);
extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);