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

[patchbot@xxxxxxx]

commit 290836b2894d2f6a855b1b153f6a1e9ca82a5820
Author:     Miroslav Rezanina <mrezanin@xxxxxxxxxx>
AuthorDate: Wed Nov 9 10:57:12 2022 -0500
Commit:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
CommitDate: Mon Jul 17 12:05:00 2023 +0100

    tulip: Remove unused variable
    
    Variable n used in tulip_idblock_crc 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: 
<02e1560d115c208df32236df8916fed98429fda1.1668009030.git.mrezanin@xxxxxxxxxx>
    Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
    (cherry picked from commit 6083dcad80743718620a3f8a72fb76ea8b7c28ca)
---
 hw/net/tulip.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/hw/net/tulip.c b/hw/net/tulip.c
index ca69f7ea5e..42666378de 100644
--- a/hw/net/tulip.c
+++ b/hw/net/tulip.c
@@ -866,11 +866,10 @@ static const MemoryRegionOps tulip_ops = {
 
 static void tulip_idblock_crc(TULIPState *s, uint16_t *srom)
 {
-    int word, n;
+    int word;
     int bit;
     unsigned char bitval, crc;
     const int len = 9;
-    n = 0;
     crc = -1;
 
     for (word = 0; word < len; word++) {
@@ -883,7 +882,6 @@ static void tulip_idblock_crc(TULIPState *s, uint16_t *srom)
                 srom[len - 1] = (srom[len - 1] & 0xff00) | (unsigned short)crc;
                 break;
             }
-            n++;
             bitval = ((srom[word] >> bit) & 1) ^ ((crc >> 7) & 1);
             crc = crc << 1;
             if (bitval == 1) {
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#stable-4.16