From: Pavel Emelyanov <[EMAIL PROTECTED]>
This pid comes from user space, so treat it accordingly.
Signed-off-by: Pavel Emelyanov <[EMAIL PROTECTED]>
Cc: "Eric W. Biederman" <[EMAIL PROTECTED]>
Cc: "Luck, Tony" <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
arch/ia64/kernel/perfmon.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN
arch/ia64/kernel/perfmon.c~ia64-make-pfm_get_task-work-with-virtual-pids
arch/ia64/kernel/perfmon.c
--- a/arch/ia64/kernel/perfmon.c~ia64-make-pfm_get_task-work-with-virtual-pids
+++ a/arch/ia64/kernel/perfmon.c
@@ -2654,11 +2654,11 @@ pfm_get_task(pfm_context_t *ctx, pid_t p
/* XXX: need to add more checks here */
if (pid < 2) return -EPERM;
- if (pid != current->pid) {
+ if (pid != task_pid_vnr(current)) {
read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
+ p = find_task_by_vpid(pid);
/* make sure task cannot go away while we operate on it */
if (p) get_task_struct(p);
_
-
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