wifi: ieee80211: correctly mark FTM frames non-bufferable

[carl9170fw.git] / config / symbol.c

diff --git a/config/symbol.c b/config/symbol.c
index 869a5e8e87a5a84773f7c4ee64d641bb34cbc453..fe38e6fd2c2a4555adfcd78a135e977c78aa4ac4 100644 (file)
--- a/config/symbol.c
+++ b/config/symbol.c
@@ -1,13 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- * Released under the terms of the GNU GPL v2.0.
  */
 
+#include <sys/types.h>
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <regex.h>
-#include <sys/utsname.h>
 
 #include "lkc.h"
 
@@ -15,15 +15,21 @@ struct symbol symbol_yes = {
        .name = "y",
        .curr = { "y", yes },
        .flags = SYMBOL_CONST|SYMBOL_VALID,
-}, symbol_mod = {
+};
+
+struct symbol symbol_mod = {
        .name = "m",
        .curr = { "m", mod },
        .flags = SYMBOL_CONST|SYMBOL_VALID,
-}, symbol_no = {
+};
+
+struct symbol symbol_no = {
        .name = "n",
        .curr = { "n", no },
        .flags = SYMBOL_CONST|SYMBOL_VALID,
-}, symbol_empty = {
+};
+
+static struct symbol symbol_empty = {
        .name = "",
        .curr = { "", no },
        .flags = SYMBOL_VALID,
@@ -31,7 +37,7 @@ struct symbol symbol_yes = {
 
 struct symbol *sym_defconfig_list;
 struct symbol *modules_sym;
-tristate modules_val;
+static tristate modules_val;
 
 enum symbol_type sym_get_type(struct symbol *sym)
 {
@@ -61,8 +67,6 @@ const char *sym_type_name(enum symbol_type type)
                return "string";
        case S_UNKNOWN:
                return "unknown";
-       case S_OTHER:
-               break;
        }
        return "???";
 }
@@ -76,15 +80,6 @@ struct property *sym_get_choice_prop(struct symbol *sym)
        return NULL;
 }
 
-struct property *sym_get_env_prop(struct symbol *sym)
-{
-       struct property *prop;
-
-       for_all_properties(sym, prop, P_ENV)
-               return prop;
-       return NULL;
-}
-
 static struct property *sym_get_default_prop(struct symbol *sym)
 {
        struct property *prop;
@@ -97,7 +92,7 @@ static struct property *sym_get_default_prop(struct symbol *sym)
        return NULL;
 }
 
-static struct property *sym_get_range_prop(struct symbol *sym)
+struct property *sym_get_range_prop(struct symbol *sym)
 {
        struct property *prop;
 
@@ -232,7 +227,7 @@ static void sym_calc_visibility(struct symbol *sym)
                sym_set_changed(sym);
        }
        tri = no;
-       if (sym->implied.expr && sym->dir_dep.tri != no)
+       if (sym->implied.expr)
                tri = expr_calc_value(sym->implied.expr);
        if (tri == mod && sym_get_type(sym) == S_BOOLEAN)
                tri = yes;
@@ -405,6 +400,8 @@ void sym_calc_value(struct symbol *sym)
                                if (sym->implied.tri != no) {
                                        sym->flags |= SYMBOL_WRITE;
                                        newval.tri = EXPR_OR(newval.tri, sym->implied.tri);
+                                       newval.tri = EXPR_AND(newval.tri,
+                                                             sym->dir_dep.tri);
                                }
                        }
                calc_newval:
@@ -412,8 +409,7 @@ void sym_calc_value(struct symbol *sym)
                                sym_warn_unmet_dep(sym);
                        newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
                }
-               if (newval.tri == mod &&
-                   (sym_get_type(sym) == S_BOOLEAN || sym->implied.tri == yes))
+               if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
                        newval.tri = yes;
                break;
        case S_STRING:
@@ -495,8 +491,6 @@ bool sym_tristate_within_range(struct symbol *sym, tristate val)
                return false;
        if (sym->visible <= sym->rev_dep.tri)
                return false;
-       if (sym->implied.tri == yes && val == mod)
-               return false;
        if (sym_is_choice_value(sym) && sym->visible == yes)
                return val == yes;
        return val >= sym->rev_dep.tri && val <= sym->visible;
@@ -766,7 +760,6 @@ const char *sym_get_string_default(struct symbol *sym)
                return str;
        case S_STRING:
                return str;
-       case S_OTHER:
        case S_UNKNOWN:
                break;
        }
@@ -797,7 +790,7 @@ const char *sym_get_string_value(struct symbol *sym)
        return (const char *)sym->curr.val;
 }
 
-bool sym_is_changable(struct symbol *sym)
+bool sym_is_changeable(struct symbol *sym)
 {
        return sym->visible > sym->rev_dep.tri;
 }
@@ -844,7 +837,7 @@ struct symbol *sym_lookup(const char *name, int flags)
        memset(symbol, 0, sizeof(*symbol));
        symbol->name = new_name;
        symbol->type = S_UNKNOWN;
-       symbol->flags |= flags;
+       symbol->flags = flags;
 
        symbol->next = symbol_hash[hash];
        symbol_hash[hash] = symbol;
@@ -1020,7 +1013,7 @@ static struct dep_stack {
        struct dep_stack *prev, *next;
        struct symbol *sym;
        struct property *prop;
-       struct expr *expr;
+       struct expr **expr;
 } *check_top;
 
 static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym)
@@ -1085,37 +1078,48 @@ static void sym_check_print_recursive(struct symbol *last_sym)
                        fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
                                prop->file->name, prop->lineno);
 
-               if (stack->expr) {
-                       fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
-                               prop->file->name, prop->lineno,
+               if (sym_is_choice(sym)) {
+                       fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
+                               menu->file->name, menu->lineno,
                                sym->name ? sym->name : "<choice>",
-                               prop_get_type_name(prop->type),
                                next_sym->name ? next_sym->name : "<choice>");
-               } else if (stack->prop) {
+               } else if (sym_is_choice_value(sym)) {
+                       fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
+                               menu->file->name, menu->lineno,
+                               sym->name ? sym->name : "<choice>",
+                               next_sym->name ? next_sym->name : "<choice>");
+               } else if (stack->expr == &sym->dir_dep.expr) {
                        fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
                                prop->file->name, prop->lineno,
                                sym->name ? sym->name : "<choice>",
                                next_sym->name ? next_sym->name : "<choice>");
-               } else if (sym_is_choice(sym)) {
-                       fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
-                               menu->file->name, menu->lineno,
+               } else if (stack->expr == &sym->rev_dep.expr) {
+                       fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
+                               prop->file->name, prop->lineno,
                                sym->name ? sym->name : "<choice>",
                                next_sym->name ? next_sym->name : "<choice>");
-               } else if (sym_is_choice_value(sym)) {
-                       fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
-                               menu->file->name, menu->lineno,
+               } else if (stack->expr == &sym->implied.expr) {
+                       fprintf(stderr, "%s:%d:\tsymbol %s is implied by %s\n",
+                               prop->file->name, prop->lineno,
+                               sym->name ? sym->name : "<choice>",
+                               next_sym->name ? next_sym->name : "<choice>");
+               } else if (stack->expr) {
+                       fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
+                               prop->file->name, prop->lineno,
                                sym->name ? sym->name : "<choice>",
+                               prop_get_type_name(prop->type),
                                next_sym->name ? next_sym->name : "<choice>");
                } else {
-                       fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
+                       fprintf(stderr, "%s:%d:\tsymbol %s %s is visible depending on %s\n",
                                prop->file->name, prop->lineno,
                                sym->name ? sym->name : "<choice>",
+                               prop_get_type_name(prop->type),
                                next_sym->name ? next_sym->name : "<choice>");
                }
        }
 
        fprintf(stderr,
-               "For a resolution refer to Documentation/kbuild/kconfig-language.txt\n"
+               "For a resolution refer to Documentation/kbuild/kconfig-language.rst\n"
                "subsection \"Kconfig recursive dependency limitations\"\n"
                "\n");
 
@@ -1166,12 +1170,26 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
 
        dep_stack_insert(&stack, sym);
 
+       stack.expr = &sym->dir_dep.expr;
+       sym2 = sym_check_expr_deps(sym->dir_dep.expr);
+       if (sym2)
+               goto out;
+
+       stack.expr = &sym->rev_dep.expr;
        sym2 = sym_check_expr_deps(sym->rev_dep.expr);
        if (sym2)
                goto out;
 
+       stack.expr = &sym->implied.expr;
+       sym2 = sym_check_expr_deps(sym->implied.expr);
+       if (sym2)
+               goto out;
+
+       stack.expr = NULL;
+
        for (prop = sym->prop; prop; prop = prop->next) {
-               if (prop->type == P_CHOICE || prop->type == P_SELECT)
+               if (prop->type == P_CHOICE || prop->type == P_SELECT ||
+                   prop->type == P_IMPLY)
                        continue;
                stack.prop = prop;
                sym2 = sym_check_expr_deps(prop->visible.expr);
@@ -1179,7 +1197,7 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
                        break;
                if (prop->type != P_DEFAULT || sym_is_choice(sym))
                        continue;
-               stack.expr = prop->expr;
+               stack.expr = &prop->expr;
                sym2 = sym_check_expr_deps(prop->expr);
                if (sym2)
                        break;
@@ -1257,34 +1275,9 @@ struct symbol *sym_check_deps(struct symbol *sym)
                sym->flags &= ~SYMBOL_CHECK;
        }
 
-       if (sym2 && sym2 == sym)
-               sym2 = NULL;
-
        return sym2;
 }
 
-struct property *prop_alloc(enum prop_type type, struct symbol *sym)
-{
-       struct property *prop;
-       struct property **propp;
-
-       prop = xmalloc(sizeof(*prop));
-       memset(prop, 0, sizeof(*prop));
-       prop->type = type;
-       prop->sym = sym;
-       prop->file = current_file;
-       prop->lineno = zconf_lineno();
-
-       /* append property to the prop list of symbol */
-       if (sym) {
-               for (propp = &sym->prop; *propp; propp = &(*propp)->next)
-                       ;
-               *propp = prop;
-       }
-
-       return prop;
-}
-
 struct symbol *prop_get_symbol(struct property *prop)
 {
        if (prop->expr && (prop->expr->type == E_SYMBOL ||
@@ -1298,8 +1291,6 @@ const char *prop_get_type_name(enum prop_type type)
        switch (type) {
        case P_PROMPT:
                return "prompt";
-       case P_ENV:
-               return "env";
        case P_COMMENT:
                return "comment";
        case P_MENU: