diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 9e3658e9e7ca73..85282ccc748f39 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -341,6 +341,10 @@ static void inode_free_security(struct inode *inode)
 
 struct selinux_mnt_opts {
 	const char *fscontext, *context, *rootcontext, *defcontext;
+	u32 fscontext_sid;
+	u32 context_sid;
+	u32 rootcontext_sid;
+	u32 defcontext_sid;
 };
 
 static void selinux_free_mnt_opts(void *mnt_opts)
@@ -597,15 +601,14 @@ static int bad_option(struct superblock_security_struct *sbsec, char flag,
 	return 0;
 }
 
-static int parse_sid(struct super_block *sb, const char *s, u32 *sid,
-		     gfp_t gfp)
+static int parse_sid(struct super_block *sb, const char *s, u32 *sid)
 {
 	int rc = security_context_str_to_sid(&selinux_state, s,
-					     sid, gfp);
+					     sid, GFP_KERNEL);
 	if (rc)
 		pr_warn("SELinux: security_context_str_to_sid"
 		       "(%s) failed for (dev %s, type %s) errno=%d\n",
-		       s, sb->s_id, sb->s_type->name, rc);
+		       s, sb ? sb->s_id : "?", sb ? sb->s_type->name : "?", rc);
 	return rc;
 }
 
@@ -672,8 +675,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 	 */
 	if (opts) {
 		if (opts->fscontext) {
-			rc = parse_sid(sb, opts->fscontext, &fscontext_sid,
-					GFP_KERNEL);
+			rc = parse_sid(sb, opts->fscontext, &fscontext_sid);
 			if (rc)
 				goto out;
 			if (bad_option(sbsec, FSCONTEXT_MNT, sbsec->sid,
@@ -682,8 +684,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 			sbsec->flags |= FSCONTEXT_MNT;
 		}
 		if (opts->context) {
-			rc = parse_sid(sb, opts->context, &context_sid,
-					GFP_KERNEL);
+			rc = parse_sid(sb, opts->context, &context_sid);
 			if (rc)
 				goto out;
 			if (bad_option(sbsec, CONTEXT_MNT, sbsec->mntpoint_sid,
@@ -692,8 +693,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 			sbsec->flags |= CONTEXT_MNT;
 		}
 		if (opts->rootcontext) {
-			rc = parse_sid(sb, opts->rootcontext, &rootcontext_sid,
-					GFP_KERNEL);
+			rc = parse_sid(sb, opts->rootcontext, &rootcontext_sid);
 			if (rc)
 				goto out;
 			if (bad_option(sbsec, ROOTCONTEXT_MNT, root_isec->sid,
@@ -702,8 +702,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 			sbsec->flags |= ROOTCONTEXT_MNT;
 		}
 		if (opts->defcontext) {
-			rc = parse_sid(sb, opts->defcontext, &defcontext_sid,
-					GFP_KERNEL);
+			rc = parse_sid(sb, opts->defcontext, &defcontext_sid);
 			if (rc)
 				goto out;
 			if (bad_option(sbsec, DEFCONTEXT_MNT, sbsec->def_sid,
@@ -995,21 +994,29 @@ static int selinux_add_opt(int token, const char *s, void **mnt_opts)
 		if (opts->context || opts->defcontext)
 			goto err;
 		opts->context = s;
+		if (selinux_initialized(&selinux_state))
+			parse_sid(NULL, s, &opts->context_sid);
 		break;
 	case Opt_fscontext:
 		if (opts->fscontext)
 			goto err;
 		opts->fscontext = s;
+		if (selinux_initialized(&selinux_state))
+			parse_sid(NULL, s, &opts->fscontext_sid);
 		break;
 	case Opt_rootcontext:
 		if (opts->rootcontext)
 			goto err;
 		opts->rootcontext = s;
+		if (selinux_initialized(&selinux_state))
+			parse_sid(NULL, s, &opts->rootcontext_sid);
 		break;
 	case Opt_defcontext:
 		if (opts->context || opts->defcontext)
 			goto err;
 		opts->defcontext = s;
+		if (selinux_initialized(&selinux_state))
+			parse_sid(NULL, s, &opts->defcontext_sid);
 		break;
 	}
 
@@ -2647,8 +2654,6 @@ static int selinux_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts)
 {
 	struct selinux_mnt_opts *opts = mnt_opts;
 	struct superblock_security_struct *sbsec = selinux_superblock(sb);
-	u32 sid;
-	int rc;
 
 	/*
 	 * Superblock not initialized (i.e. no options) - reject if any
@@ -2665,34 +2670,36 @@ static int selinux_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts)
 		return (sbsec->flags & SE_MNTMASK) ? 1 : 0;
 
 	if (opts->fscontext) {
-		rc = parse_sid(sb, opts->fscontext, &sid, GFP_NOWAIT);
-		if (rc)
+		if (opts->fscontext_sid == SECSID_NULL)
 			return 1;
-		if (bad_option(sbsec, FSCONTEXT_MNT, sbsec->sid, sid))
+		else if (bad_option(sbsec, FSCONTEXT_MNT, sbsec->sid,
+				       opts->fscontext_sid))
 			return 1;
 	}
 	if (opts->context) {
-		rc = parse_sid(sb, opts->context, &sid, GFP_NOWAIT);
-		if (rc)
+		if (opts->context_sid == SECSID_NULL)
 			return 1;
-		if (bad_option(sbsec, CONTEXT_MNT, sbsec->mntpoint_sid, sid))
+		else if (bad_option(sbsec, CONTEXT_MNT, sbsec->mntpoint_sid,
+				       opts->context_sid))
 			return 1;
 	}
 	if (opts->rootcontext) {
-		struct inode_security_struct *root_isec;
-
-		root_isec = backing_inode_security(sb->s_root);
-		rc = parse_sid(sb, opts->rootcontext, &sid, GFP_NOWAIT);
-		if (rc)
-			return 1;
-		if (bad_option(sbsec, ROOTCONTEXT_MNT, root_isec->sid, sid))
+		if (opts->rootcontext_sid == SECSID_NULL)
 			return 1;
+		else {
+			struct inode_security_struct *root_isec;
+
+			root_isec = backing_inode_security(sb->s_root);
+			if (bad_option(sbsec, ROOTCONTEXT_MNT, root_isec->sid,
+				       opts->rootcontext_sid))
+				return 1;
+		}
 	}
 	if (opts->defcontext) {
-		rc = parse_sid(sb, opts->defcontext, &sid, GFP_NOWAIT);
-		if (rc)
+		if (opts->defcontext_sid == SECSID_NULL)
 			return 1;
-		if (bad_option(sbsec, DEFCONTEXT_MNT, sbsec->def_sid, sid))
+		else if (bad_option(sbsec, DEFCONTEXT_MNT, sbsec->def_sid,
+				       opts->defcontext_sid))
 			return 1;
 	}
 	return 0;
@@ -2712,14 +2719,14 @@ static int selinux_sb_remount(struct super_block *sb, void *mnt_opts)
 		return 0;
 
 	if (opts->fscontext) {
-		rc = parse_sid(sb, opts->fscontext, &sid, GFP_KERNEL);
+		rc = parse_sid(sb, opts->fscontext, &sid);
 		if (rc)
 			return rc;
 		if (bad_option(sbsec, FSCONTEXT_MNT, sbsec->sid, sid))
 			goto out_bad_option;
 	}
 	if (opts->context) {
-		rc = parse_sid(sb, opts->context, &sid, GFP_KERNEL);
+		rc = parse_sid(sb, opts->context, &sid);
 		if (rc)
 			return rc;
 		if (bad_option(sbsec, CONTEXT_MNT, sbsec->mntpoint_sid, sid))
@@ -2728,14 +2735,14 @@ static int selinux_sb_remount(struct super_block *sb, void *mnt_opts)
 	if (opts->rootcontext) {
 		struct inode_security_struct *root_isec;
 		root_isec = backing_inode_security(sb->s_root);
-		rc = parse_sid(sb, opts->rootcontext, &sid, GFP_KERNEL);
+		rc = parse_sid(sb, opts->rootcontext, &sid);
 		if (rc)
 			return rc;
 		if (bad_option(sbsec, ROOTCONTEXT_MNT, root_isec->sid, sid))
 			goto out_bad_option;
 	}
 	if (opts->defcontext) {
-		rc = parse_sid(sb, opts->defcontext, &sid, GFP_KERNEL);
+		rc = parse_sid(sb, opts->defcontext, &sid);
 		if (rc)
 			return rc;
 		if (bad_option(sbsec, DEFCONTEXT_MNT, sbsec->def_sid, sid))