[jlayton:kdevops 43/47] net/sunrpc/svcsock.c:1294:11: warning: format specifies type 'int' but the argument has type 'unsigned long'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git kdevops
head:   78cea35b7fffda7d71482e5881bcd3e4a30b0acb
commit: 562305ff2066e7dd88d087577f23fab6b6a76b2d [43/47] sunrpc: fix pr_notice in svc_tcp_sendto() to show correct length
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250809/202508091526.CVVPmLwu-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250809/202508091526.CVVPmLwu-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508091526.CVVPmLwu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/sunrpc/svcsock.c:1294:11: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat]
    1291 |         pr_notice("rpc-srv/tcp: %s: %s %d when sending %d bytes - shutting down socket\n",
         |                                                        ~~
         |                                                        %lu
    1292 |                   xprt->xpt_server->sv_name,
    1293 |                   (sent < 0) ? "got error" : "sent",
    1294 |                   sent, xdr->len + sizeof(marker));
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:577:36: note: expanded from macro 'pr_notice'
     577 |         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
         |                                   ~~~     ^~~~~~~~~~~
   include/linux/printk.h:514:60: note: expanded from macro 'printk'
     514 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                     ~~~    ^~~~~~~~~~~
   include/linux/printk.h:486:19: note: expanded from macro 'printk_index_wrap'
     486 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ~~~~    ^~~~~~~~~~~
   1 warning generated.


vim +1294 net/sunrpc/svcsock.c

  1255	
  1256	/**
  1257	 * svc_tcp_sendto - Send out a reply on a TCP socket
  1258	 * @rqstp: completed svc_rqst
  1259	 *
  1260	 * xpt_mutex ensures @rqstp's whole message is written to the socket
  1261	 * without interruption.
  1262	 *
  1263	 * Returns the number of bytes sent, or a negative errno.
  1264	 */
  1265	static int svc_tcp_sendto(struct svc_rqst *rqstp)
  1266	{
  1267		struct svc_xprt *xprt = rqstp->rq_xprt;
  1268		struct svc_sock	*svsk = container_of(xprt, struct svc_sock, sk_xprt);
  1269		struct xdr_buf *xdr = &rqstp->rq_res;
  1270		rpc_fraghdr marker = cpu_to_be32(RPC_LAST_STREAM_FRAGMENT |
  1271						 (u32)xdr->len);
  1272		int sent;
  1273	
  1274		svc_tcp_release_ctxt(xprt, rqstp->rq_xprt_ctxt);
  1275		rqstp->rq_xprt_ctxt = NULL;
  1276	
  1277		mutex_lock(&xprt->xpt_mutex);
  1278		if (svc_xprt_is_dead(xprt))
  1279			goto out_notconn;
  1280		sent = svc_tcp_sendmsg(svsk, rqstp, marker);
  1281		trace_svcsock_tcp_send(xprt, sent);
  1282		if (sent < 0 || sent != (xdr->len + sizeof(marker)))
  1283			goto out_close;
  1284		mutex_unlock(&xprt->xpt_mutex);
  1285		return sent;
  1286	
  1287	out_notconn:
  1288		mutex_unlock(&xprt->xpt_mutex);
  1289		return -ENOTCONN;
  1290	out_close:
  1291		pr_notice("rpc-srv/tcp: %s: %s %d when sending %d bytes - shutting down socket\n",
  1292			  xprt->xpt_server->sv_name,
  1293			  (sent < 0) ? "got error" : "sent",
> 1294			  sent, xdr->len + sizeof(marker));
  1295		svc_xprt_deferred_close(xprt);
  1296		mutex_unlock(&xprt->xpt_mutex);
  1297		return -EAGAIN;
  1298	}
  1299	

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