diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-07-05 11:55:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-05 11:55:43 +0200 |
| commit | 931da6137e8e8c622f59251e8b645467aea293f1 (patch) | |
| tree | 2169cbd29d5d9a4cbc7104b2a744a95ba746c50d /kernel/trace/trace_events.c | |
| parent | 5d67be97f8903d05ce53597fb5f3bc25a45e8026 (diff) | |
| parent | 1fd8df2c3970c9e7e4e262354154ee39e58bdd7c (diff) | |
Merge branch 'tip/perf/core-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 686ec399f2a8..4d7e1498ae91 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -486,20 +486,11 @@ event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos) { struct ftrace_event_call *call = filp->private_data; - char buf[64]; unsigned long val; int ret; - if (cnt >= sizeof(buf)) - return -EINVAL; - - if (copy_from_user(&buf, ubuf, cnt)) - return -EFAULT; - - buf[cnt] = 0; - - ret = strict_strtoul(buf, 10, &val); - if (ret < 0) + ret = kstrtoul_from_user(ubuf, cnt, 10, &val); + if (ret) return ret; ret = tracing_update_buffers(); @@ -571,19 +562,10 @@ system_enable_write(struct file *filp, const char __user *ubuf, size_t cnt, { const char *system = filp->private_data; unsigned long val; - char buf[64]; ssize_t ret; - if (cnt >= sizeof(buf)) - return -EINVAL; - - if (copy_from_user(&buf, ubuf, cnt)) - return -EFAULT; - - buf[cnt] = 0; - - ret = strict_strtoul(buf, 10, &val); - if (ret < 0) + ret = kstrtoul_from_user(ubuf, cnt, 10, &val); + if (ret) return ret; ret = tracing_update_buffers(); |