Re: [patch] tracing: Remove an unneeded check

From: Dan Carpenter
Date: Fri Apr 20 2012 - 10:01:23 EST


On Fri, Apr 20, 2012 at 09:51:21AM -0400, Steven Rostedt wrote:
> On Fri, 2012-04-20 at 09:31 +0300, Dan Carpenter wrote:
> > memcpy() returns a pointer to "bug". Hopefully, it's not NULL here or
> > we would already have Oopsed.
>
> You're right that the ret is useless, and the real bug was already fixed
> (the possibility that buf could be an invalid pointer).
>
> Not only is this needed, but also get rid of the ret < 0 check in
> tracing_splice_read_pipe().
>

We still return -EBUSY so we need the check.

regards,
dan carpenter

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