diff options
Diffstat (limited to 'patches/source/rpcbind/0006-rpcbproc_callit_com-No-need-to-allocate-output-buffe.patch')
| -rw-r--r-- | patches/source/rpcbind/0006-rpcbproc_callit_com-No-need-to-allocate-output-buffe.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/patches/source/rpcbind/0006-rpcbproc_callit_com-No-need-to-allocate-output-buffe.patch b/patches/source/rpcbind/0006-rpcbproc_callit_com-No-need-to-allocate-output-buffe.patch new file mode 100644 index 00000000..1a0aa6cf --- /dev/null +++ b/patches/source/rpcbind/0006-rpcbproc_callit_com-No-need-to-allocate-output-buffe.patch @@ -0,0 +1,96 @@ +From 1e2ddd4ebd7a9266e6070f275fa35752752fdfd6 Mon Sep 17 00:00:00 2001 +From: Steve Dickson <steved@redhat.com> +Date: Tue, 30 May 2017 11:29:58 -0400 +Subject: [PATCH 6/6] rpcbproc_callit_com: No need to allocate output buffer + +Now that sendz is a fixed size (UDPMSGSIZE) which +is small then RPC_BUF_MAX, no need to check the +sendz size. + +Signed-off-by: Steve Dickson <steved@redhat.com> +--- + src/rpcb_svc_com.c | 33 +++++---------------------------- + 1 file changed, 5 insertions(+), 28 deletions(-) + +diff --git a/src/rpcb_svc_com.c b/src/rpcb_svc_com.c +index 1fc2229..d36b090 100644 +--- a/src/rpcb_svc_com.c ++++ b/src/rpcb_svc_com.c +@@ -612,8 +612,6 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp, + struct netconfig *nconf; + struct netbuf *caller; + struct r_rmtcall_args a; +- char *outbufp; +- char *outbuf_alloc = NULL; + char outbuf[RPC_BUF_MAX]; + struct netbuf *na = (struct netbuf *) NULL; + struct rpc_msg call_msg; +@@ -674,7 +672,6 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp, + + rpcbs_rmtcall(versnum - 2, reply_type, a.rmt_prog, a.rmt_vers, + a.rmt_proc, transp->xp_netid, rbl); +- + if (rbl == (rpcblist_ptr)NULL) { + #ifdef RPCBIND_DEBUG + if (debugging) +@@ -793,24 +790,10 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp, + call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; + call_msg.rm_call.cb_prog = a.rmt_prog; + call_msg.rm_call.cb_vers = a.rmt_vers; +- if (sendsz > RPC_BUF_MAX) { +-#ifdef notyet +- outbuf_alloc = alloca(sendsz); /* not in IDR2? */ +-#else +- outbuf_alloc = malloc(sendsz); +-#endif /* notyet */ +- if (outbuf_alloc == NULL) { +- if (reply_type == RPCBPROC_INDIRECT) +- svcerr_systemerr(transp); +- if (debugging) +- xlog(LOG_DEBUG, +- "rpcbproc_callit_com: No memory!\n"); +- goto error; +- } +- xdrmem_create(&outxdr, outbuf_alloc, sendsz, XDR_ENCODE); +- } else { +- xdrmem_create(&outxdr, outbuf, sendsz, XDR_ENCODE); +- } ++ ++ memset(outbuf, '\0', sendsz); /* Zero out the output buffer */ ++ xdrmem_create(&outxdr, outbuf, sendsz, XDR_ENCODE); ++ + if (!xdr_callhdr(&outxdr, &call_msg)) { + if (reply_type == RPCBPROC_INDIRECT) + svcerr_systemerr(transp); +@@ -875,10 +858,6 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp, + goto error; + } + outlen = (int) XDR_GETPOS(&outxdr); +- if (outbuf_alloc) +- outbufp = outbuf_alloc; +- else +- outbufp = outbuf; + + na = uaddr2taddr(nconf, local_uaddr); + if (!na) { +@@ -887,7 +866,7 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp, + goto error; + } + +- if (sendto(fd, outbufp, outlen, 0, (struct sockaddr *)na->buf, na->len) ++ if (sendto(fd, outbuf, outlen, 0, (struct sockaddr *)na->buf, na->len) + != outlen) { + if (debugging) + xlog(LOG_DEBUG, +@@ -912,8 +891,6 @@ out: + } + if (local_uaddr) + free(local_uaddr); +- if (outbuf_alloc) +- free(outbuf_alloc); + if (na) { + free(na->buf); + free(na); +-- +2.13.2 + |