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-rw-r--r--fs/splice.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/splice.c b/fs/splice.c
index 153d4f3bd441..5a7750bd2eea 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -299,13 +299,8 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
{
struct iov_iter to;
struct kiocb kiocb;
- loff_t isize;
int idx, ret;
- isize = i_size_read(in->f_mapping->host);
- if (unlikely(*ppos >= isize))
- return 0;
-
iov_iter_pipe(&to, ITER_PIPE | READ, pipe, len);
idx = to.idx;
init_sync_kiocb(&kiocb, in);
@@ -413,7 +408,8 @@ static ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
if (res <= 0)
return -ENOMEM;
- nr_pages = res / PAGE_SIZE;
+ BUG_ON(dummy);
+ nr_pages = DIV_ROUND_UP(res, PAGE_SIZE);
vec = __vec;
if (nr_pages > PIPE_DEF_BUFFERS) {