[qemu-xen stable-4.16] rtl8139: Remove unused variable

[patchbot@xxxxxxx]

commit 204c1af1fc6f99ca70a671a013a30f5409e30786
Author:     Miroslav Rezanina <mrezanin@xxxxxxxxxx>
AuthorDate: Wed Nov 9 10:57:11 2022 -0500
Commit:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
CommitDate: Mon Jul 17 12:05:00 2023 +0100

    rtl8139: Remove unused variable
    
    Variable send_count used in rtl8139_cplus_transmit_one function is only
    incremented but never read. This causes 'Unused but set variable' warning
    on Clang 15.0.1 compiler.
    
    Removing the variable to prevent the warning.
    
    Signed-off-by: Miroslav Rezanina <mrezanin@xxxxxxxxxx>
    Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
    Message-Id: 
<15a32dd06c492216cbf27cd3ddcbe1e9afb8d8f5.1668009030.git.mrezanin@xxxxxxxxxx>
    Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
    (cherry picked from commit 7d7238c72b983cff5064734349d2d45be9c6282c)
---
 hw/net/rtl8139.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 90b4fc63ce..e278ae1ed5 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -2156,7 +2156,6 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
                     ip_data_len, saved_size - ETH_HLEN, large_send_mss);
 
                 int tcp_send_offset = 0;
-                int send_count = 0;
 
                 /* maximum IP header length is 60 bytes */
                 uint8_t saved_ip_header[60];
@@ -2261,7 +2260,6 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
                     /* add transferred count to TCP sequence number */
                     stl_be_p(&p_tcp_hdr->th_seq,
                              chunk_size + ldl_be_p(&p_tcp_hdr->th_seq));
-                    ++send_count;
                 }
 
                 /* Stop sending this frame */
--
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