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-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,