From: Daniel Rosenberg <drosen@google.com>
Date: Fri, 17 Feb 2017 01:55:22 +0000 (-0800)
Subject: ANDROID: sdcardfs: Add missing path_put
X-Git-Tag: release-20171130_firefly~4^2~100^2~231
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ddce85b2380591d209b4083813256a816e10341f;p=firefly-linux-kernel-4.4.55.git

ANDROID: sdcardfs: Add missing path_put

"ANDROID: sdcardfs: Add GID Derivation to sdcardfs" introduced
an unbalanced pat_get, leading to storage space not being freed
after deleting a file until rebooting. This adds the missing path_put.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 34691169
Change-Id: Ia7ef97ec2eca2c555cc06b235715635afc87940e
---

diff --git a/fs/sdcardfs/derived_perm.c b/fs/sdcardfs/derived_perm.c
index 0bb442338a85..ca239a942065 100644
--- a/fs/sdcardfs/derived_perm.c
+++ b/fs/sdcardfs/derived_perm.c
@@ -243,6 +243,7 @@ retry_deleg:
 		if (error)
 			pr_err("sdcardfs: Failed to touch up lower fs gid/uid.\n");
 	}
+	sdcardfs_put_lower_path(dentry, &path);
 }
 
 static int descendant_may_need_fixup(struct sdcardfs_inode_info *info, struct limit_search *limit) {