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FRV: Fix no-hardware-breakpoint case 

If there is no hardware breakpoint support, modify_user_hw_breakpoint()
tries to return a NULL pointer through as an 'int' return value:

  In file included from kernel/exit.c:53:
  include/linux/hw_breakpoint.h: In function 'modify_user_hw_breakpoint':
  include/linux/hw_breakpoint.h:96: warning: return makes integer from pointer without a cast

Return 0 instead.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2009-12-14 14:03:27 +00:00 committed by Linus Torvalds
parent 464480f72e
commit 5185fb0699
1 changed files with 1 additions and 1 deletions
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2
include/linux/hw_breakpoint.h
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@ -93,7 +93,7 @@ register_user_hw_breakpoint(struct perf_event_attr *attr,
struct task_struct *tsk) { return NULL; }
static inline int
modify_user_hw_breakpoint(struct perf_event *bp,
struct perf_event_attr *attr) { return NULL; }
struct perf_event_attr *attr) { return 0; }
static inline struct perf_event *
register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
perf_overflow_handler_t triggered,