lkml.org 
[lkml]   [2010]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [ANNOUNCE] 2.6.33-rc8-rt2
On Fri, 26 Feb 2010, Dan Carpenter wrote:
> kernel/trace/latency_hist.c
> 341 static ssize_t
> 342 latency_hist_reset(struct file *file, const char __user *a,
> 343 size_t size, loff_t *off)
> 344 {
> 345 int cpu;
> 346 struct hist_data *hist = NULL;
> 347 #if defined(CONFIG_WAKEUP_LATENCY_HIST) || \
> 348 defined(CONFIG_MISSED_TIMER_OFFSETS_HIST)
> 349 struct maxlatproc_data *mp = NULL;
> 350 #endif
> 351 off_t latency_type = (off_t) file->private_data;
> 352
> 353 for_each_online_cpu(cpu) {
> 354
> 355 switch (latency_type) {
>
> It seems like this switch statement should have a default case.
>
> I haven't looked into it very closely but it seems like if you had all
> those config options turned off then "hist" would be still be NULL.

When all config options are turned off then the file is not compiled
at all.

Thanks,

tglx


\
 
 \ /
  Last update: 2010-02-27 09:13    [from the cache]
©2003-2011 Jasper Spaans