Return-Path: Received: from fieldses.org ([173.255.197.46]:49040 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752890AbbC3VZU (ORCPT ); Mon, 30 Mar 2015 17:25:20 -0400 Date: Mon, 30 Mar 2015 17:25:20 -0400 From: "J. Bruce Fields" To: Fabian Frederick Cc: linux-kernel@vger.kernel.org, Trond Myklebust , Anna Schumaker , "David S. Miller" , linux-nfs@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 7/9 net-next] sunrpc: replace if/BUG by BUG_ON Message-ID: <20150330212520.GF6901@fieldses.org> References: <1427749998-28464-1-git-send-email-fabf@skynet.be> <1427749998-28464-7-git-send-email-fabf@skynet.be> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1427749998-28464-7-git-send-email-fabf@skynet.be> Sender: linux-nfs-owner@vger.kernel.org List-ID: Huh, I thought this wasn't recommended: http://lkml.kernel.org/r/20040828125816.206ef7fa.akpm@osdl.org "I'd prefer that we not move code which has side-effects into BUG_ONs" --b. On Mon, Mar 30, 2015 at 11:13:15PM +0200, Fabian Frederick wrote: > Signed-off-by: Fabian Frederick > --- > net/sunrpc/auth_gss/svcauth_gss.c | 9 +++------ > net/sunrpc/svc_xprt.c | 3 +-- > 2 files changed, 4 insertions(+), 8 deletions(-) > > diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c > index 1095be9..09f8a1c6 100644 > --- a/net/sunrpc/auth_gss/svcauth_gss.c > +++ b/net/sunrpc/auth_gss/svcauth_gss.c > @@ -840,11 +840,9 @@ unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct g > return stat; > if (integ_len > buf->len) > return stat; > - if (xdr_buf_subsegment(buf, &integ_buf, 0, integ_len)) > - BUG(); > + BUG_ON(xdr_buf_subsegment(buf, &integ_buf, 0, integ_len)); > /* copy out mic... */ > - if (read_u32_from_xdr_buf(buf, integ_len, &mic.len)) > - BUG(); > + BUG_ON(read_u32_from_xdr_buf(buf, integ_len, &mic.len)); > if (mic.len > RPC_MAX_AUTH_SIZE) > return stat; > mic.data = kmalloc(mic.len, GFP_KERNEL); > @@ -1595,8 +1593,7 @@ svcauth_gss_wrap_resp_integ(struct svc_rqst *rqstp) > BUG_ON(integ_len % 4); > *p++ = htonl(integ_len); > *p++ = htonl(gc->gc_seq); > - if (xdr_buf_subsegment(resbuf, &integ_buf, integ_offset, integ_len)) > - BUG(); > + BUG_ON(xdr_buf_subsegment(resbuf, &integ_buf, integ_offset, integ_len)); > if (resbuf->tail[0].iov_base == NULL) { > if (resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE > PAGE_SIZE) > goto out_err; > diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c > index 163ac45..2f82e8b 100644 > --- a/net/sunrpc/svc_xprt.c > +++ b/net/sunrpc/svc_xprt.c > @@ -960,8 +960,7 @@ static void svc_delete_xprt(struct svc_xprt *xprt) > struct svc_deferred_req *dr; > > /* Only do this once */ > - if (test_and_set_bit(XPT_DEAD, &xprt->xpt_flags)) > - BUG(); > + BUG_ON(test_and_set_bit(XPT_DEAD, &xprt->xpt_flags)); > > dprintk("svc: svc_delete_xprt(%p)\n", xprt); > xprt->xpt_ops->xpo_detach(xprt); > -- > 1.9.1