ANDROID: sdcardfs: fix lock issue on 32 bit/SMP architectures
authorDaniel Rosenberg <drosen@google.com>
Fri, 16 Mar 2018 02:37:16 +0000 (19:37 -0700)
committerDaniel Rosenberg <drosen@google.com>
Fri, 16 Mar 2018 02:58:13 +0000 (19:58 -0700)
Fixes: cc668ff4b6a1 ("ANDROID: sdcardfs: Hold i_mutex for i_size_write")

Change-Id: If7f2ed90f59c552b9ef9262b0f6aaed394f68784
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 73287721

fs/sdcardfs/file.c

index 2879d1291a11cb21ff66f97d2799ff475c7a708f..1461254f301dcf81192dab8044fa36f93b8a6546 100644 (file)
@@ -414,7 +414,7 @@ ssize_t sdcardfs_write_iter(struct kiocb *iocb, struct iov_iter *iter)
                fsstack_copy_inode_size(inode, file_inode(lower_file));
                fsstack_copy_attr_times(inode, file_inode(lower_file));
                if (sizeof(loff_t) > sizeof(long))
-                       inode_lock(inode);
+                       inode_unlock(inode);
        }
 out:
        return err;