From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 8 May 2013 02:28:48 +0000 (-0400)
Subject: ecryptfs: don't open-code kernel_read()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=39dfe6c6a5ce7defc00f11790efb758954042cea;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ecryptfs: don't open-code kernel_read()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index 6a160539cd23..09fe622274e4 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -232,17 +232,10 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
 			struct inode *ecryptfs_inode)
 {
 	struct file *lower_file;
-	mm_segment_t fs_save;
-	ssize_t rc;
-
 	lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
 	if (!lower_file)
 		return -EIO;
-	fs_save = get_fs();
-	set_fs(get_ds());
-	rc = vfs_read(lower_file, data, size, &offset);
-	set_fs(fs_save);
-	return rc;
+	return kernel_read(lower_file, offset, data, size);
 }
 
 /**