fuse: fix SEEK_END incorrectness

Update file size before using it in lseek(..., SEEK_END).

Reported-by: Amnon Shiloh <u3557@miso.sublimeip.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 2bada6bbc317..98079aa800e8 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1448,6 +1448,9 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
         mutex_lock(&inode->i_mutex);
         switch (origin) {
         case SEEK_END:
+                retval = fuse_update_attributes(inode, NULL, file, NULL);
+                if (retval)
+                        return retval;
                 offset += i_size_read(inode);
                 break;
         case SEEK_CUR: