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Message-ID: <520f0cf11002030842m6fd73d48j547551169bbc4f6e@mail.gmail.com> Date: Wed, 3 Feb 2010 17:42:00 +0100 From: John Kacur <jkacur@...il.com> To: rostedt@...dmis.org Cc: Darren Hart <dvhltc@...ibm.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/3] kernel-shark: fix unitialized handle compile warnings On Wed, Feb 3, 2010 at 5:19 PM, Steven Rostedt <rostedt@...dmis.org> wrote: > On Wed, 2010-02-03 at 11:17 -0500, Steven Rostedt wrote: >> andle) >> > > - handle = tracecmd_open(input_file); >> > > + handle = tracecmd_open(input_file); >> > > >> > > - info->handle = handle; >> > > + if (handle) >> > > + info->handle = handle; >> > > >> > > /* --- Main window --- */ >> > > >> > > -- >> > >> > This looks correct, but I'm wondering if it is safe to continue if the >> > call to tracecmd_open fails? >> >> Actually this patch is wrong. The real code should be: >> >> - if (handle) >> + if (input_file) > > Looking at the context, this isn't enough. We should have had: > > if (input_file) > info->handle = tracecmd_open(input_file); > else > info->handle = NULL; > > -- Steve > Okay, are you going to push it to your repo for us? I would offer to push it through mine if it would save you time, but it's probably quicker if you just handle it. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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