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hw-breakpoints: Zeroe the breakpoint attrs on initialization

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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>
This commit is contained in:
Frederic Weisbecker
2009-12-07 03:14:17 +01:00
parent b9b1e1c71a
commit ed872d09ef
1 changed files with 2 additions and 0 deletions
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include/linux/hw_breakpoint.h
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@@ -22,6 +22,8 @@ enum {
static inline void hw_breakpoint_init(struct perf_event_attr *attr) static inline void hw_breakpoint_init(struct perf_event_attr *attr)
{ {
memset(attr, 0, sizeof(*attr));
attr->type = PERF_TYPE_BREAKPOINT; attr->type = PERF_TYPE_BREAKPOINT;
attr->size = sizeof(*attr); attr->size = sizeof(*attr);
/* /*