perf_counter: Plug more stack leaks

Per example of Arjan's patch, I went through and found a few more.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index ff854fd89a8145f34201cd7fb8c302bfa50bfdc5..e1d6a3aa133388e2fdc7669a715f4b6effc37c98 100644 (file)
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -2897,8 +2897,11 @@ void perf_counter_fork(struct task_struct *task)
                .event  = {
                        .header = {
                                .type = PERF_EVENT_FORK,
+                               .misc = 0,
                                .size = sizeof(fork_event.event),
                        },
+                       /* .pid  */
+                       /* .ppid */
                },
        };
 
@@ -3008,8 +3011,16 @@ void perf_counter_comm(struct task_struct *task)
 
        comm_event = (struct perf_comm_event){
                .task   = task,
+               /* .comm      */
+               /* .comm_size */
                .event  = {
-                       .header = { .type = PERF_EVENT_COMM, },
+                       .header = {
+                               .type = PERF_EVENT_COMM,
+                               .misc = 0,
+                               /* .size */
+                       },
+                       /* .pid */
+                       /* .tid */
                },
        };
 
@@ -3160,8 +3171,16 @@ void __perf_counter_mmap(struct vm_area_struct *vma)
 
        mmap_event = (struct perf_mmap_event){
                .vma    = vma,
+               /* .file_name */
+               /* .file_size */
                .event  = {
-                       .header = { .type = PERF_EVENT_MMAP, },
+                       .header = {
+                               .type = PERF_EVENT_MMAP,
+                               .misc = 0,
+                               /* .size */
+                       },
+                       /* .pid */
+                       /* .tid */
                        .start  = vma->vm_start,
                        .len    = vma->vm_end - vma->vm_start,
                        .pgoff  = vma->vm_pgoff,