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-rw-r--r--fs/read_write.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 177ccc3d405a..61b43ad7608e 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -560,12 +560,13 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_
static inline loff_t file_pos_read(struct file *file)
{
- return file->f_pos;
+ return file->f_mode & FMODE_STREAM ? 0 : file->f_pos;
}
static inline void file_pos_write(struct file *file, loff_t pos)
{
- file->f_pos = pos;
+ if ((file->f_mode & FMODE_STREAM) == 0)
+ file->f_pos = pos;
}
ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count)