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hw-breakpoints: Handle bad modify_user_hw_breakpoint off-case return value 

While converting modify_user_hw_breakpoint() return value, we
forgot to handle the off-case. It's not returning a pointer
anymore.

This solves the build warning reported by Stephen Rothwell against
linux-next.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Prasad <prasad@linux.vnet.ibm.com>
LKML-Reference: <1260529122-6260-1-git-send-regression-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Prasad <prasad@linux.vnet.ibm.com>
This commit is contained in:
Frederic Weisbecker 2009-12-11 11:58:42 +01:00 committed by Ingo Molnar
parent cc835752ae
commit 99ac64c826
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 -ENOSYS; }
static inline struct perf_event *
register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
perf_overflow_handler_t triggered,