[cifs:for-next-next 100/146] fs/smb/server/transport_rdma.c:2158:12: warning: stack frame size (1112) exceeds limit (1024) in 'smb_direct_listen_handler'

[cifs:for-next-next 100/146] fs/smb/server/transport_rdma.c:2158:12: warning: stack frame size (1112) exceeds limit (1024) in 'smb_direct_listen_handler'

[kernel test robot]

tree:   git://git.samba.org/sfrench/cifs-2.6.git for-next-next
head:   b79712ce1752aa38da9553b06767f68367b0d7ff
commit: 8ef4d3c2f8db37ea5df6bd5483decfffc5174a19 [100/146] smb: server: make use of smbdirect_socket_init()
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20250829/202508291615.Mxyg9D9N-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250829/202508291615.Mxyg9D9N-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/202508291615.Mxyg9D9N-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/smb/server/transport_rdma.c:2158:12: warning: stack frame size (1112) exceeds limit (1024) in 'smb_direct_listen_handler' [-Wframe-larger-than]
    2158 | static int smb_direct_listen_handler(struct rdma_cm_id *cm_id,
         |            ^
   1 warning generated.


vim +/smb_direct_listen_handler +2158 fs/smb/server/transport_rdma.c

0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2157  
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16 @2158  static int smb_direct_listen_handler(struct rdma_cm_id *cm_id,
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2159  				     struct rdma_cm_event *event)
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2160  {
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2161  	switch (event->event) {
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2162  	case RDMA_CM_EVENT_CONNECT_REQUEST: {
8170223a650e74 fs/smb/server/transport_rdma.c Stefan Metzmacher 2025-08-20  2163  		int ret = smb_direct_handle_connect_request(cm_id, event);
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2164  
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2165  		if (ret) {
bde1694aecdb53 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-06-28  2166  			pr_err("Can't create transport: %d\n", ret);
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2167  			return ret;
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2168  		}
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2169  
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2170  		ksmbd_debug(RDMA, "Received connection request. cm_id=%p\n",
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2171  			    cm_id);
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2172  		break;
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2173  	}
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2174  	default:
bde1694aecdb53 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-06-28  2175  		pr_err("Unexpected listen event. cm_id=%p, event=%s (%d)\n",
070fb21e5912b6 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-05-26  2176  		       cm_id, rdma_event_msg(event->event), event->event);
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2177  		break;
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2178  	}
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2179  	return 0;
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2180  }
0626e6641f6b46 fs/cifsd/transport_rdma.c      Namjae Jeon       2021-03-16  2181  

:::::: The code at line 2158 was first introduced by commit
:::::: 0626e6641f6b467447c81dd7678a69c66f7746cf cifsd: add server handler for central processing and tranport layers

:::::: TO: Namjae Jeon <namjae.jeon@samsung.com>
:::::: CC: Steve French <stfrench@microsoft.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki