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>

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 2bada6b..98079aa 100644 (file)
--- 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: