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net/checksum: Remove unused variable in net_checksum_add_iov 

From clang-13:
../qemu/net/checksum.c:189:23: error: variable 'buf_off' set but not used \
    [-Werror,-Wunused-but-set-variable]

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-07-12 18:43:58 +00:00
parent 53645dc4cb
commit fe4bd9170c
1 changed files with 1 additions and 3 deletions
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4
net/checksum.c
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@ -186,12 +186,11 @@ uint32_t
net_checksum_add_iov(const struct iovec *iov, const unsigned int iov_cnt, net_checksum_add_iov(const struct iovec *iov, const unsigned int iov_cnt,
uint32_t iov_off, uint32_t size, uint32_t csum_offset) uint32_t iov_off, uint32_t size, uint32_t csum_offset)
{ {
size_t iovec_off, buf_off; size_t iovec_off;
unsigned int i; unsigned int i;
uint32_t res = 0; uint32_t res = 0;
iovec_off = 0; iovec_off = 0;
buf_off = 0;
for (i = 0; i < iov_cnt && size; i++) { for (i = 0; i < iov_cnt && size; i++) {
if (iov_off < (iovec_off + iov[i].iov_len)) { if (iov_off < (iovec_off + iov[i].iov_len)) {
size_t len = MIN((iovec_off + iov[i].iov_len) - iov_off , size); size_t len = MIN((iovec_off + iov[i].iov_len) - iov_off , size);
@ -200,7 +199,6 @@ net_checksum_add_iov(const struct iovec *iov, const unsigned int iov_cnt,
res += net_checksum_add_cont(len, chunk_buf, csum_offset); res += net_checksum_add_cont(len, chunk_buf, csum_offset);
csum_offset += len; csum_offset += len;
buf_off += len;
iov_off += len; iov_off += len;
size -= len; size -= len;
} }