Messages in this thread Patch in this message | | | From | Frederic Weisbecker <> | Subject | [PATCH 1/2] hw-breakpoints: Zeroe the breakpoint attrs on initialization | Date | Mon, 7 Dec 2009 07:22:56 +0100 |
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The perf attrs used to set up breakpoint parameters are often allocated in the stack and not zeroed out before calling hw_breakpoint_init(). Handle it from this helper to avoid random attributes set by the stack.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Prasad <prasad@linux.vnet.ibm.com> --- include/linux/hw_breakpoint.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h index 4d14a38..42da1ce 100644 --- a/include/linux/hw_breakpoint.h +++ b/include/linux/hw_breakpoint.h @@ -22,6 +22,8 @@ enum { static inline void hw_breakpoint_init(struct perf_event_attr *attr) { + memset(attr, 0, sizeof(*attr)); + attr->type = PERF_TYPE_BREAKPOINT; attr->size = sizeof(*attr); /* -- 1.6.2.3
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