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tulip: Remove unused variable

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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@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <02e1560d115c208df32236df8916fed98429fda1.1668009030.git.mrezanin@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Miroslav Rezanina 2022-11-09 10:57:12 -05:00 committed by Thomas Huth
parent 7d7238c72b
commit 6083dcad80
1 changed files with 1 additions and 3 deletions
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4
hw/net/tulip.c
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@ -870,11 +870,10 @@ static const MemoryRegionOps tulip_ops = {
static void tulip_idblock_crc(TULIPState *s, uint16_t *srom) static void tulip_idblock_crc(TULIPState *s, uint16_t *srom)
{ {
int word, n; int word;
int bit; int bit;
unsigned char bitval, crc; unsigned char bitval, crc;
const int len = 9; const int len = 9;
n = 0;
crc = -1; crc = -1;
for (word = 0; word < len; word++) { for (word = 0; word < len; word++) {
@ -887,7 +886,6 @@ static void tulip_idblock_crc(TULIPState *s, uint16_t *srom)
srom[len - 1] = (srom[len - 1] & 0xff00) | (unsigned short)crc; srom[len - 1] = (srom[len - 1] & 0xff00) | (unsigned short)crc;
break; break;
} }
n++;
bitval = ((srom[word] >> bit) & 1) ^ ((crc >> 7) & 1); bitval = ((srom[word] >> bit) & 1) ^ ((crc >> 7) & 1);
crc = crc << 1; crc = crc << 1;
if (bitval == 1) { if (bitval == 1) {