1 files changed, 6 insertions, 1 deletions

diff --git a/fs/fat/file.c b/fs/fat/file.c
index f5a7e907a8fa..81b15c623803 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -27,7 +27,12 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
         switch (cmd) {
         case FAT_IOCTL_GET_ATTRIBUTES:
         {
-                u32 attr = fat_make_attrs(inode);
+                u32 attr;
+
+                mutex_lock(&inode->i_mutex);
+                attr = fat_make_attrs(inode);
+                mutex_unlock(&inode->i_mutex);
+
                 return put_user(attr, user_attr);
         }
         case FAT_IOCTL_SET_ATTRIBUTES: