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-rw-r--r--mm/filemap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 4602314ed62e..655878c3dcd5 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1976,7 +1976,7 @@ static ssize_t generic_file_buffered_read(struct kiocb *iocb,
if (unlikely(*ppos >= inode->i_sb->s_maxbytes))
return 0;
- iov_iter_truncate(iter, inode->i_sb->s_maxbytes);
+ iov_iter_truncate(iter, inode->i_sb->s_maxbytes - *ppos);
index = *ppos >> PAGE_SHIFT;
prev_index = ra->prev_pos >> PAGE_SHIFT;