fat: Fix corrupt inode flags when remove ATTR_SYS flag

We are clearly missing '~' in fat_ioctl_set_attributes().

Cc: <stable@kernel.org>
Reported-by: Dmitry Dmitriev <dimondmm@yandex.ru>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/fat/file.c b/fs/fat/file.c
index 7257752b6d5d..7018e1d8902d 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -102,7 +102,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
                 if (attr & ATTR_SYS)
                         inode->i_flags |= S_IMMUTABLE;
                 else
-                        inode->i_flags &= S_IMMUTABLE;
+                        inode->i_flags &= ~S_IMMUTABLE;
         }
 
         fat_save_attrs(inode, attr);