[PATCH][next] nfp: tls: Fix unreachable code issue

[Gustavo A. R. Silva]

Fix the following unreachable code issue:

   drivers/net/ethernet/netronome/nfp/crypto/tls.c: In function 
'nfp_net_tls_add':
   include/linux/compiler_attributes.h:208:41: warning: statement will never be 
executed [-Wswitch-unreachable]
     208 | # define fallthrough                    
__attribute__((__fallthrough__))
         |                                         ^~~~~~~~~~~~~
   drivers/net/ethernet/netronome/nfp/crypto/tls.c:299:3: note: in expansion of 
macro 'fallthrough'
     299 |   fallthrough;
         |   ^~~~~~~~~~~

Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org>
---
 drivers/net/ethernet/netronome/nfp/crypto/tls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/netronome/nfp/crypto/tls.c 
b/drivers/net/ethernet/netronome/nfp/crypto/tls.c
index 76c51da5b66f..9b32ae46011c 100644
--- a/drivers/net/ethernet/netronome/nfp/crypto/tls.c
+++ b/drivers/net/ethernet/netronome/nfp/crypto/tls.c
@@ -295,8 +295,8 @@ nfp_net_tls_add(struct net_device *netdev, struct sock *sk,
                        ipv6 = true;
                        break;
                }
-#endif
                fallthrough;
+#endif
        case AF_INET:
                req_sz = sizeof(struct nfp_crypto_req_add_v4);
                ipv6 = false;
-- 
2.27.0