diff options
Diffstat (limited to 'scripts/dtc/dtc-parser.y')
| -rw-r--r-- | scripts/dtc/dtc-parser.y | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y index 011a5b25539..b3b9c83873d 100644 --- a/scripts/dtc/dtc-parser.y +++ b/scripts/dtc/dtc-parser.y @@ -34,6 +34,12 @@ extern void yyerror(char const *s); extern struct dt_info *parser_output; extern bool treesource_error; + +static bool is_ref_relative(const char *ref) +{ + return ref[0] != '/' && strchr(&ref[1], '/'); +} + %} %union { @@ -176,12 +182,17 @@ devicetree: */ if (!($<flags>-1 & DTSF_PLUGIN)) ERROR(&@2, "Label or path %s not found", $1); + else if (is_ref_relative($1)) + ERROR(&@2, "Label-relative reference %s not supported in plugin", $1); $$ = add_orphan_node(name_node(build_node(NULL, NULL), ""), $2, $1); } | devicetree DT_LABEL DT_REF nodedef { struct node *target = get_node_by_ref($1, $3); + if (($<flags>-1 & DTSF_PLUGIN) && is_ref_relative($3)) + ERROR(&@2, "Label-relative reference %s not supported in plugin", $3); + if (target) { add_label(&target->labels, $2); merge_nodes(target, $4); @@ -197,6 +208,8 @@ devicetree: * so $-1 is what we want (plugindecl) */ if ($<flags>-1 & DTSF_PLUGIN) { + if (is_ref_relative($2)) + ERROR(&@2, "Label-relative reference %s not supported in plugin", $2); add_orphan_node($1, $3, $2); } else { struct node *target = get_node_by_ref($1, $2); |