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-rw-r--r--lib/iov_iter.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 362e8b5a5dc5..93ae0c2c8d66 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1781,8 +1781,8 @@ size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *_csstate,
if (unlikely(iov_iter_is_pipe(i)))
return csum_and_copy_to_pipe_iter(addr, bytes, _csstate, i);
- sum = csstate->csum;
- off = csstate->off;
+ sum = csum_shift(csstate->csum, csstate->off);
+ off = 0;
if (unlikely(iov_iter_is_discard(i))) {
WARN_ON(1); /* for now */
return 0;
@@ -1817,8 +1817,8 @@ size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *_csstate,
off += v.bv_len;
})
)
- csstate->csum = sum;
- csstate->off = off;
+ csstate->csum = csum_shift(sum, csstate->off);
+ csstate->off += bytes;
return bytes;
}
EXPORT_SYMBOL(csum_and_copy_to_iter);