diff options
| author | Will Deacon <[email protected]> | 2012-08-16 18:14:14 +0100 |
|---|---|---|
| committer | Steven Rostedt <[email protected]> | 2012-08-17 15:19:46 -0400 |
| commit | 60916a9382e88fbf5e54fd36a3e658efd7ab7bed (patch) | |
| tree | 803e8decdd28831fa4a60d5c75c5bb5a77a460db /lib/cpu-notifier-error-inject.c | |
| parent | 26a4f3c08de49c1437a7b7f97693cf22d8c31656 (diff) | |
tracing/syscalls: Fix perf syscall tracing when syscall_nr == -1
syscall_get_nr can return -1 in the case that the task is not executing
a system call.
This patch fixes perf_syscall_{enter,exit} to check that the syscall
number is valid before using it as an index into a bitmap.
Link: http://lkml.kernel.org/r/[email protected]
Cc: Jason Baron <[email protected]>
Cc: Wade Farnsworth <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
Diffstat (limited to 'lib/cpu-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions