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authorFrederic Weisbecker <fweisbec@gmail.com>2009-12-11 11:58:42 +0100
committerIngo Molnar <mingo@elte.hu>2009-12-11 12:03:53 +0100
commit99ac64c826e62a07e5818cfde620be4d524f1edf (patch)
tree9af727f7568772056fee2db3ce6d5004012eb456 /include/linux/hw_breakpoint.h
parentcc835752ae3634acd2d487fdf5152f6075f45aef (diff)
downloadlinux-99ac64c826e62a07e5818cfde620be4d524f1edf.tar.gz
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>
Diffstat (limited to 'include/linux/hw_breakpoint.h')
-rw-r--r--include/linux/hw_breakpoint.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index 69f07a9f1277..41235c93e4e9 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -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,