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| author | Ingo Molnar <mingo@kernel.org> | 2012-08-28 18:05:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-08-28 18:05:55 +0200 |
| commit | 508dc4f8eece1a70c493afc6511fdf5934fef567 (patch) | |
| tree | b852a6a5bf9977a33a87158985de02d188ba71d7 /kernel/trace | |
| parent | 734e9a26d612f64e1c9cfd92256969b773954ae2 (diff) | |
| parent | e3e45c01ae690e65f2650e5288b9af802e95a136 (diff) | |
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_syscalls.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index 60e4d7875672..6b245f64c8dd 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -506,6 +506,8 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id) int size; syscall_nr = syscall_get_nr(current, regs); + if (syscall_nr < 0) + return; if (!test_bit(syscall_nr, enabled_perf_enter_syscalls)) return; @@ -580,6 +582,8 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret) int size; syscall_nr = syscall_get_nr(current, regs); + if (syscall_nr < 0) + return; if (!test_bit(syscall_nr, enabled_perf_exit_syscalls)) return; |