Re: [PATCH] sunrpc: Fix trace events to store data in the struct

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On Tue, 24 Feb 2015 09:03:09 -0700
David Ahern <dsahern@xxxxxxxxx> wrote:

> On 2/24/15 7:48 AM, Steven Rostedt wrote:
> > I assume that the %pISpc expects a "struct sockaddr" passed to it as
> > that is what is typecast in the print. We might as well make the ss into
> > that structure instead of a struct sockaddr_storage, as it looks like
> > the storage one is much larger, and we only care about the sockaddr
> > part. Let's not waste the ring buffer if we don't need to.
> 
> Per lib/vsprintf.c, it expects either a sockaddr_in or sockaddr_in6:
> 
>                  case 'S': {
>                          const union {
>                                  struct sockaddr         raw;
>                                  struct sockaddr_in      v4;
>                                  struct sockaddr_in6     v6;
>                          } *sa = ptr;
> 
> sockaddr_in6 > sockaddr so ss should be declared accordingly.

Agreed. Thanks for pointing that out.

-- Steve
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