[Crash-utility] [PATCH 2/3] crash-trace-command: Include trace_printk() formats for modules

Steven Rostedt rostedt at goodmis.org
Wed Mar 23 11:52:46 UTC 2011


On Wed, 2011-03-23 at 18:21 +0800, Lai Jiangshan wrote:
> O
> > +
> >  static int save_ftrace_printk(int fd)
> >  {
> > -	struct syment *s, *e;
> > +	struct kernel_list_head *mod_fmt;
> > +	struct syment *s, *e, *b;
> >  	long bprintk_fmt_s, bprintk_fmt_e;
> > -	char string[4096];
> >  	long *address;
> > -	size_t i, count;
> > +	size_t i, count, len;
> >  
> 
> This "len" is unused and cause the compiler warning:
> gcc -Wall -I/usr/include/crash -nostartfiles -shared -rdynamic -o trace.so trace.c -fPIC -DX86_64 
> trace.c: In function ‘save_ftrace_printk’:
> trace.c:1918:19: warning: unused variable ‘len’

Hmm, that must have been left over from one of my "variations".

> 
> I can fix it and apply the patches to the crash-trace-command git tree,
> but these patches will be also applied to the upstream crash utility by Dave,
> Could you resend the patches with the fix.

I'll fix it. As I also found that patch 3 fixes a bug in patch 2. That
fix belongs in patch 2.

I'll resend later today.

Thanks for the review!

-- Steve





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