X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fxattr.c;h=f060663ab70c2b2c602aa7a7f4f8a343f621f5e4;hb=e6625fa48e6580a74b7e700efd7e6463e282810b;hp=4be2e7666d02791bf26d2f8f6113e6000db1f0e3;hpb=55b23bde19c08f14127a27d461a4e079942c7258;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/xattr.c b/fs/xattr.c
index 4be2e7666d02..f060663ab70c 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -91,7 +91,11 @@ int __vfs_setxattr_noperm(struct dentry *dentry, const char *name,
 {
 	struct inode *inode = dentry->d_inode;
 	int error = -EOPNOTSUPP;
+	int issec = !strncmp(name, XATTR_SECURITY_PREFIX,
+				   XATTR_SECURITY_PREFIX_LEN);
 
+	if (issec)
+		inode->i_flags &= ~S_NOSEC;
 	if (inode->i_op->setxattr) {
 		error = inode->i_op->setxattr(dentry, name, value, size, flags);
 		if (!error) {
@@ -99,8 +103,7 @@ int __vfs_setxattr_noperm(struct dentry *dentry, const char *name,
 			security_inode_post_setxattr(dentry, name, value,
 						     size, flags);
 		}
-	} else if (!strncmp(name, XATTR_SECURITY_PREFIX,
-				XATTR_SECURITY_PREFIX_LEN)) {
+	} else if (issec) {
 		const char *suffix = name + XATTR_SECURITY_PREFIX_LEN;
 		error = security_inode_setsecurity(inode, suffix, value,
 						   size, flags);