---
fs/splice.c | 18 ++++++++----------
1 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/fs/splice.c b/fs/splice.c
index 3a4202d..2f8f42a 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -271,7 +271,7 @@ __generic_file_splice_read(struct file *
struct partial_page partial[PIPE_BUFFERS];
struct page *page;
pgoff_t index, end_index;
- loff_t isize;
+ loff_t isize, left;
size_t total_len;
int error, page_nr;
struct splice_pipe_desc spd = {
@@ -421,6 +421,13 @@ __generic_file_splice_read(struct file *
* i_size must be checked after ->readpage().
*/
isize = i_size_read(mapping->host);
+ if (unlikely(*ppos >= isize))
+ return 0;
+
+ left = isize - *ppos;
+ if (unlikely(left < len))
+ len = left;
+
end_index = (isize - 1) >> PAGE_CACHE_SHIFT;
if (unlikely(!isize || index > end_index))
break;
@@ -903,7 +910,6 @@ static long do_splice_to(struct file *in
struct pipe_inode_info *pipe, size_t len,
unsigned int flags)
{
- loff_t isize, left;
int ret;
if (unlikely(!in->f_op || !in->f_op->splice_read))
@@ -916,14 +922,6 @@ static long do_splice_to(struct file *in
if (unlikely(ret < 0))
return ret;
- isize = i_size_read(in->f_mapping->host);
- if (unlikely(*ppos >= isize))
- return 0;
-
- left = isize - *ppos;
- if (unlikely(left < len))
- len = left;
-
return in->f_op->splice_read(in, ppos, pipe, len, flags);
}
-
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