A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull perf fixes from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/p4: Add format attributes
  tracing, sched, vfs: Fix 'old_pid' usage in trace_sched_process_exec()
This commit is contained in:
Linus Torvalds 2012-04-04 10:04:42 -07:00
commit 66cfb32772
3 changed files with 18 additions and 4 deletions
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7
fs/exec.c
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@ -1371,7 +1371,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
unsigned int depth = bprm->recursion_depth;
int try,retval;
struct linux_binfmt *fmt;
pid_t old_pid;
pid_t old_pid, old_vpid;
retval = security_bprm_check(bprm);
if (retval)
@ -1382,8 +1382,9 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
return retval;
/* Need to fetch pid before load_binary changes it */
old_pid = current->pid;
rcu_read_lock();
old_pid = task_pid_nr_ns(current, task_active_pid_ns(current->parent));
old_vpid = task_pid_nr_ns(current, task_active_pid_ns(current->parent));
rcu_read_unlock();
retval = -ENOENT;
@ -1406,7 +1407,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
if (retval >= 0) {
if (depth == 0) {
trace_sched_process_exec(current, old_pid, bprm);
ptrace_event(PTRACE_EVENT_EXEC, old_pid);
ptrace_event(PTRACE_EVENT_EXEC, old_vpid);
}
put_binfmt(fmt);
allow_write_access(bprm->file);