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-rw-r--r--lib/iov_iter.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index efc953c47572..691a52b634fe 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -684,10 +684,11 @@ static void pipe_advance(struct iov_iter *i, size_t size)
struct pipe_inode_info *pipe = i->pipe;
struct pipe_buffer *buf;
int idx = i->idx;
- size_t off = i->iov_offset;
+ size_t off = i->iov_offset, orig_sz;
if (unlikely(i->count < size))
size = i->count;
+ orig_sz = size;
if (size) {
if (off) /* make it relative to the beginning of buffer */
@@ -714,6 +715,7 @@ static void pipe_advance(struct iov_iter *i, size_t size)
pipe->nrbufs--;
}
}
+ i->count -= orig_sz;
}
void iov_iter_advance(struct iov_iter *i, size_t size)