Hello Atul Gupta,
The patch 36bedb3f2e5b: "crypto: chtls - Inline TLS record Tx" from
Mar 31, 2018, leads to the following static checker warning:
drivers/crypto/chelsio/chtls/chtls_io.c:1210 chtls_sendpage()
info: ignoring unreachable code.
drivers/crypto/chelsio/chtls/chtls_io.c
1188 skb->len += copy;
1189 if (skb->len == mss)
1190 tx_skb_finalize(skb);
1191 skb->data_len += copy;
1192 skb->truesize += copy;
1193 sk->sk_wmem_queued += copy;
1194 tp->write_seq += copy;
1195 copied += copy;
1196 offset += copy;
1197 size -= copy;
1198
1199 if (corked(tp, flags) &&
1200 (sk_stream_wspace(sk) < sk_stream_min_wspace(sk)))
1201 ULP_SKB_CB(skb)->flags |= ULPCB_FLAG_NO_APPEND;
1202
1203 if (!size)
1204 break;
1205
1206 if (unlikely(ULP_SKB_CB(skb)->flags & ULPCB_FLAG_NO_APPEND))
1207 push_frames_if_head(sk);
1208 continue;
^^^^^^^^
1209
1210 set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Not reachable.
1211 }
1212 out:
1213 csk_reset_flag(csk, CSK_TX_MORE_DATA);
1214 if (copied)
1215 chtls_tcp_push(sk, flags);
1216 done:
1217 release_sock(sk);
1218 return copied;
1219
1220 do_error:
1221 if (copied)
1222 goto out;
1223
1224 out_err:
1225 if (csk_conn_inline(csk))
regards,
dan carpenter
