smb3: fix uninitialized value for port in witness protocol move
Although in practice this can not occur (since IPv4 and IPv6 are the only two cases currently supported), it is cleaner to avoid uninitialized variable warnings. Addresses smatch warning: fs/cifs/cifs_swn.c:468 cifs_swn_store_swn_addr() error: uninitialized symbol 'port'. Reported-by: Nkernel test robot <lkp@intel.com> Reported-by: NDan Carpenter <dan.carpenter@oracle.com> CC: Samuel Cabrero <scabrero@suse.de> Signed-off-by: NSteve French <stfrench@microsoft.com>
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