From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A658833995; Wed, 27 Mar 2024 10:09:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711534152; cv=none; b=UgLKLEaOwa064ZeOE7Z7CEvTcZ0bpsY6zLWmFeGt2TvFQkt9JAecUi3zOyd6ifHqsrsAYvJhZ7ie3G1cbVx8tmMXThTEEhUzVGdffvPOrQjdTWFNZTVkOqygcNmtrGvBYor6SSDpg5zcjOs8+YMTUtzRjSwTzB3kN7XCVnt8LLQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711534152; c=relaxed/simple; bh=nqrzfie+Vut9pbtD0y9eFBRk9p/EjNujD1XpaNrWWgg=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=LE1h6zh8OWDTYjMAE/OeYOSzDjccPGQPijNykFKZZHk6mXYD4xgQqaq55Iq6WXsvthaWIvonXFyOHn2IJ4D/S5DCfYfjzVz0vWv8ARE4Q6cvuF7uzeJca3UECxqD26vkbMhYgBcrg3HgbgeTnGROVJDXuIamhm8MQdLTeRvzV/g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p2vIWSkd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="p2vIWSkd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC894C433F1; Wed, 27 Mar 2024 10:09:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711534152; bh=nqrzfie+Vut9pbtD0y9eFBRk9p/EjNujD1XpaNrWWgg=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=p2vIWSkdciVbZDyS/Gpnt1evFeheClQb0Q+/iGJAqxEX0v2CLB9JnWX6pXb36YZHT JzmUVUByY52OP2Bs1v20XbK+jCSB/DNM19EKdyKdBtG4ud3NQyNwhG52cYOn2dt5PW ePmTISkE2GK0+dwl6kLJhIT71dK1SjeI6EvfhTESpzlsBBgTXJqsAKx1OzBvZEoZjC vIh755BCdPjsqRgeZCNsmXGtlck3kHnmFZQ/FnvdRP81I4XRT/YkhTUn/STNUsAtkz uhGrjDr2qaPJtNayYQH/x1YVVxUQ/Nij9JzR6xoOlX4+d6FaRPx0mL+5+cn1GrEdxD uSnCZd018bY8Q== Message-ID: <4630a0ec293ba44672e8c8fbe046794b8688e60c.camel@kernel.org> Subject: Re: [PATCH] sunrpc: removed redundant procp check From: Jeff Layton To: Aleksandr Aprelkov , Trond Myklebust Cc: Anna Schumaker , Chuck Lever , Neil Brown , Olga Kornievskaia , Dai Ngo , Tom Talpey , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-nfs@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org Date: Wed, 27 Mar 2024 06:09:09 -0400 In-Reply-To: <20240327071044.365284-1-aaprelkov@usergate.com> References: <20240327071044.365284-1-aaprelkov@usergate.com> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; 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 kZWuOsJdJQdmwlWC5L5ln9xgfr/4mOY38B0U= Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.4 (3.50.4-1.fc39) Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2024-03-27 at 14:10 +0700, Aleksandr Aprelkov wrote: > since vs_proc pointer is dereferenced before getting it's address there's > no need to check for NULL. >=20 > Found by Linux Verification Center (linuxtesting.org) with SVACE. >=20 > Fixes: 8e5b67731d08 ("SUNRPC: Add a callback to initialise server request= s") > Signed-off-by: Aleksandr Aprelkov > --- > net/sunrpc/svc.c | 2 -- > 1 file changed, 2 deletions(-) >=20 > diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c > index b33e429336fb..2b4b1276d4e8 100644 > --- a/net/sunrpc/svc.c > +++ b/net/sunrpc/svc.c > @@ -1265,8 +1265,6 @@ svc_generic_init_request(struct svc_rqst *rqstp, > if (rqstp->rq_proc >=3D versp->vs_nproc) > goto err_bad_proc; > rqstp->rq_procinfo =3D procp =3D &versp->vs_proc[rqstp->rq_proc]; > - if (!procp) > - goto err_bad_proc; > =20 > /* Initialize storage for argp and resp */ > memset(rqstp->rq_argp, 0, procp->pc_argzero); This should probably go in via Chuck's tree. Reviewed-by: Jeff Layton