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sparseirq: fix build with unknown irq_desc struct 

Ingo Molnar wrote:
>
> tip/kernel/fork.c: In function 'copy_signal':
> tip/kernel/fork.c:825: warning: unused variable 'ret'
> tip/drivers/char/random.c: In function 'get_timer_rand_state':
> tip/drivers/char/random.c:584: error: dereferencing pointer to incomplete type
> tip/drivers/char/random.c: In function 'set_timer_rand_state':
> tip/drivers/char/random.c:594: error: dereferencing pointer to incomplete type
> make[3]: *** [drivers/char/random.o] Error 1

irq_desc is defined in linux/irq.h, so include it in the genirq case.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2009-01-11 00:35:42 -08:00 committed by Ingo Molnar
parent dee4102a9a
commit d178a1eb5c
1 changed files with 4 additions and 0 deletions
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4
drivers/char/random.c
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@ -241,6 +241,10 @@
#include <linux/percpu.h>
#include <linux/cryptohash.h>
#ifdef CONFIG_GENERIC_HARDIRQS
# include <linux/irq.h>
#endif
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/irq.h>