| Message ID | 02e1560d115c208df32236df8916fed98429fda1.1668009030.git.mrezanin@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Removal of several unused variables causing | expand |
On 09/11/2022 16.57, mrezanin@redhat.com wrote: > From: Miroslav Rezanina <mrezanin@redhat.com> > > 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> > --- > 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 b9e42c322a..c2b3b1bdfa 100644 > --- a/hw/net/tulip.c > +++ b/hw/net/tulip.c > @@ -870,11 +870,10 @@ 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++) { > @@ -887,7 +886,6 @@ 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) { Reviewed-by: Thomas Huth <thuth@redhat.com>
diff --git a/hw/net/tulip.c b/hw/net/tulip.c index b9e42c322a..c2b3b1bdfa 100644 --- a/hw/net/tulip.c +++ b/hw/net/tulip.c @@ -870,11 +870,10 @@ 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++) { @@ -887,7 +886,6 @@ 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) {