[cifs:for-next 23/27] fs//cifs/smb2pdu.c:220:1: warning: the frame size of 1328 bytes is larger than 1024 bytes

[kbuild test robot]

tree:   git://git.samba.org/sfrench/cifs-2.6.git for-next
head:   45f4017ee6cabfe12161c1289fe06f9d9b16805a
commit: 4d38952f6fe99138c0250136a1b59a6722819079 [23/27] cifs: Add support for failover in smb2_reconnect()
config: i386-randconfig-x015-201849 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 4d38952f6fe99138c0250136a1b59a6722819079
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   fs//cifs/smb2pdu.c: In function '__smb2_reconnect':
>> fs//cifs/smb2pdu.c:220:1: warning: the frame size of 1328 bytes is larger than 1024 bytes [-Wframe-larger-than=]
    }
    ^

vim +220 fs//cifs/smb2pdu.c

   157	
   158	#ifdef CONFIG_CIFS_DFS_UPCALL
   159	static int __smb2_reconnect(const struct nls_table *nlsc,
   160				    struct cifs_tcon *tcon)
   161	{
   162		int rc;
   163		struct dfs_cache_tgt_list tl;
   164		struct dfs_cache_tgt_iterator *it = NULL;
   165		char tree[MAX_TREE_SIZE + 1];
   166		const char *tcp_host;
   167		size_t tcp_host_len;
   168		const char *dfs_host;
   169		size_t dfs_host_len;
   170	
   171		if (tcon->ipc) {
   172			snprintf(tree, sizeof(tree), "\\\\%s\\IPC$",
   173				 tcon->ses->server->hostname);
   174			return SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);
   175		}
   176	
   177		if (!tcon->dfs_path)
   178			return SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nlsc);
   179	
   180		rc = dfs_cache_noreq_find(tcon->dfs_path + 1, NULL, &tl);
   181		if (rc)
   182			return rc;
   183	
   184		extract_unc_hostname(tcon->ses->server->hostname, &tcp_host,
   185				     &tcp_host_len);
   186	
   187		for (it = dfs_cache_get_tgt_iterator(&tl); it;
   188		     it = dfs_cache_get_next_tgt(&tl, it)) {
   189			const char *tgt = dfs_cache_get_tgt_name(it);
   190	
   191			extract_unc_hostname(tgt, &dfs_host, &dfs_host_len);
   192	
   193			if (dfs_host_len != tcp_host_len
   194			    || strncasecmp(dfs_host, tcp_host, dfs_host_len) != 0) {
   195				cifs_dbg(FYI, "%s: skipping %.*s, doesn't match %.*s",
   196					 __func__,
   197					 (int)dfs_host_len, dfs_host,
   198					 (int)tcp_host_len, tcp_host);
   199				continue;
   200			}
   201	
   202			snprintf(tree, sizeof(tree), "\\%s", tgt);
   203	
   204			rc = SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);
   205			if (!rc)
   206				break;
   207			if (rc == -EREMOTE)
   208				break;
   209		}
   210	
   211		if (!rc) {
   212			if (it)
   213				rc = dfs_cache_noreq_update_tgthint(tcon->dfs_path + 1,
   214								    it);
   215			else
   216				rc = -ENOENT;
   217		}
   218		dfs_cache_free_tgts(&tl);
   219		return rc;
 > 220	}
   221	#else
   222	static inline int __smb2_reconnect(const struct nls_table *nlsc,
   223					   struct cifs_tcon *tcon)
   224	{
   225		return SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nlsc);
   226	}
   227	#endif
   228	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 34355 bytes
Desc: not available
URL: <http://lists.samba.org/pipermail/samba-technical/attachments/20181214/357d5ca4/config.gz>