commit fc8bd0f6ffec17b56bca32b4dfa6ab0f1b7b4b29
author Daniel Rosenberg <drosen@google.com> Thu Mar 15 19:37:16 2018 -0700
committer Daniel Rosenberg <drosen@google.com> Thu Mar 15 19:51:27 2018 -0700
tree 91ff0442d7bff8a7f3238d300d35fa8687215092
parent d6f27745679a1f446e82d33ee59238dac1f54c5d

ANDROID: sdcardfs: fix lock issue on 32 bit/SMP architectures

Fixes: a92bb8d6eac3 ("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

diff --git a/fs/sdcardfs/file.c b/fs/sdcardfs/file.c
index 2879d12..1461254 100644
--- a/fs/sdcardfs/file.c
+++ b/fs/sdcardfs/file.c
@@ -414,7 +414,7 @@
 		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;