From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Sun, 5 Oct 2008 18:26:11 +0000 (-0400)
Subject: NFS: Fix up nfs_setattr_update_inode()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2f28ea614ff497202d5a52af82da523ae4a20718;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

NFS: Fix up nfs_setattr_update_inode()

Ensure that it sets the inode metadata under the correct spinlock.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index a2f54154d825..f3b8ed904df7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -453,6 +453,7 @@ out_big:
 void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr)
 {
 	if ((attr->ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID)) != 0) {
+		spin_lock(&inode->i_lock);
 		if ((attr->ia_valid & ATTR_MODE) != 0) {
 			int mode = attr->ia_mode & S_IALLUGO;
 			mode |= inode->i_mode & ~S_IALLUGO;
@@ -462,7 +463,6 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr)
 			inode->i_uid = attr->ia_uid;
 		if ((attr->ia_valid & ATTR_GID) != 0)
 			inode->i_gid = attr->ia_gid;
-		spin_lock(&inode->i_lock);
 		NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
 		spin_unlock(&inode->i_lock);
 	}