From: Daniel Rosenberg <drosen@google.com>
Date: Fri, 16 Mar 2018 02:37:16 +0000 (-0700)
Subject: ANDROID: sdcardfs: fix lock issue on 32 bit/SMP architectures
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b01df612f7127b8382584ea0f4eff7cfd34a17d4;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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

Fixes: cc668ff4b6a1 ("ANDROID: sdcardfs: Hold i_mutex for i_size_write")

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

diff --git a/fs/sdcardfs/file.c b/fs/sdcardfs/file.c
index 2879d1291a11..1461254f301d 100644
--- a/fs/sdcardfs/file.c
+++ b/fs/sdcardfs/file.c
@@ -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;