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-rw-r--r--scripts/mod/modpost.c73
1 files changed, 29 insertions, 44 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f882ce0d9327..d6c81657d695 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -34,12 +34,14 @@ static int external_module = 0;
static int warn_unresolved = 0;
/* How a symbol is exported */
static int sec_mismatch_count = 0;
-static int sec_mismatch_fatal = 0;
+static int sec_mismatch_warn_only = true;
/* ignore missing files */
static int ignore_missing_files;
/* If set to 1, only warn (instead of error) about missing ns imports */
static int allow_missing_ns_imports;
+static bool error_occurred;
+
enum export {
export_plain, export_unused, export_gpl,
export_unused_gpl, export_gpl_future, export_unknown
@@ -78,6 +80,8 @@ modpost_log(enum loglevel loglevel, const char *fmt, ...)
if (loglevel == LOG_FATAL)
exit(1);
+ if (loglevel == LOG_ERROR)
+ error_occurred = true;
}
static inline bool strends(const char *str, const char *postfix)
@@ -403,8 +407,8 @@ static void sym_update_namespace(const char *symname, const char *namespace)
* actually an assertion.
*/
if (!s) {
- merror("Could not update namespace(%s) for symbol %s\n",
- namespace, symname);
+ error("Could not update namespace(%s) for symbol %s\n",
+ namespace, symname);
return;
}
@@ -2014,7 +2018,7 @@ static void read_symbols(const char *modname)
if (!mod->is_vmlinux) {
license = get_modinfo(&info, "license");
if (!license)
- warn("missing MODULE_LICENSE() in %s\n", modname);
+ error("missing MODULE_LICENSE() in %s\n", modname);
while (license) {
if (license_is_gpl_compatible(license))
mod->gpl_compatible = 1;
@@ -2141,11 +2145,11 @@ static void check_for_gpl_usage(enum export exp, const char *m, const char *s)
{
switch (exp) {
case export_gpl:
- fatal("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
+ error("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
m, s);
break;
case export_unused_gpl:
- fatal("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
+ error("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
m, s);
break;
case export_gpl_future:
@@ -2174,22 +2178,18 @@ static void check_for_unused(enum export exp, const char *m, const char *s)
}
}
-static int check_exports(struct module *mod)
+static void check_exports(struct module *mod)
{
struct symbol *s, *exp;
- int err = 0;
for (s = mod->unres; s; s = s->next) {
const char *basename;
exp = find_symbol(s->name);
if (!exp || exp->module == mod) {
- if (have_vmlinux && !s->weak) {
+ if (have_vmlinux && !s->weak)
modpost_log(warn_unresolved ? LOG_WARN : LOG_ERROR,
"\"%s\" [%s.ko] undefined!\n",
s->name, mod->name);
- if (!warn_unresolved)
- err = 1;
- }
continue;
}
basename = strrchr(mod->name, '/');
@@ -2203,8 +2203,6 @@ static int check_exports(struct module *mod)
modpost_log(allow_missing_ns_imports ? LOG_WARN : LOG_ERROR,
"module %s uses symbol %s from namespace %s, but does not import it.\n",
basename, exp->name, exp->namespace);
- if (!allow_missing_ns_imports)
- err = 1;
add_namespace(&mod->missing_namespaces, exp->namespace);
}
@@ -2212,11 +2210,9 @@ static int check_exports(struct module *mod)
check_for_gpl_usage(exp->export, basename, exp->name);
check_for_unused(exp->export, basename, exp->name);
}
-
- return err;
}
-static int check_modname_len(struct module *mod)
+static void check_modname_len(struct module *mod)
{
const char *mod_name;
@@ -2225,12 +2221,8 @@ static int check_modname_len(struct module *mod)
mod_name = mod->name;
else
mod_name++;
- if (strlen(mod_name) >= MODULE_NAME_LEN) {
- merror("module name is too long [%s.ko]\n", mod->name);
- return 1;
- }
-
- return 0;
+ if (strlen(mod_name) >= MODULE_NAME_LEN)
+ error("module name is too long [%s.ko]\n", mod->name);
}
/**
@@ -2289,10 +2281,9 @@ static void add_staging_flag(struct buffer *b, const char *name)
/**
* Record CRCs for unresolved symbols
**/
-static int add_versions(struct buffer *b, struct module *mod)
+static void add_versions(struct buffer *b, struct module *mod)
{
struct symbol *s, *exp;
- int err = 0;
for (s = mod->unres; s; s = s->next) {
exp = find_symbol(s->name);
@@ -2304,7 +2295,7 @@ static int add_versions(struct buffer *b, struct module *mod)
}
if (!modversions)
- return err;
+ return;
buf_printf(b, "\n");
buf_printf(b, "static const struct modversion_info ____versions[]\n");
@@ -2319,9 +2310,8 @@ static int add_versions(struct buffer *b, struct module *mod)
continue;
}
if (strlen(s->name) >= MODULE_NAME_LEN) {
- merror("too long symbol \"%s\" [%s.ko]\n",
- s->name, mod->name);
- err = 1;
+ error("too long symbol \"%s\" [%s.ko]\n",
+ s->name, mod->name);
break;
}
buf_printf(b, "\t{ %#8x, \"%s\" },\n",
@@ -2329,8 +2319,6 @@ static int add_versions(struct buffer *b, struct module *mod)
}
buf_printf(b, "};\n");
-
- return err;
}
static void add_depends(struct buffer *b, struct module *mod)
@@ -2554,7 +2542,6 @@ int main(int argc, char **argv)
char *missing_namespace_deps = NULL;
char *dump_write = NULL, *files_source = NULL;
int opt;
- int err;
int n;
struct dump_list *dump_read_start = NULL;
struct dump_list **dump_read_iter = &dump_read_start;
@@ -2589,7 +2576,7 @@ int main(int argc, char **argv)
warn_unresolved = 1;
break;
case 'E':
- sec_mismatch_fatal = 1;
+ sec_mismatch_warn_only = false;
break;
case 'N':
allow_missing_ns_imports = 1;
@@ -2624,8 +2611,6 @@ int main(int argc, char **argv)
if (!have_vmlinux)
warn("Symbol info of vmlinux is missing. Unresolved symbol check will be entirely skipped.\n");
- err = 0;
-
for (mod = modules; mod; mod = mod->next) {
char fname[PATH_MAX];
@@ -2634,14 +2619,14 @@ int main(int argc, char **argv)
buf.pos = 0;
- err |= check_modname_len(mod);
- err |= check_exports(mod);
+ check_modname_len(mod);
+ check_exports(mod);
add_header(&buf, mod);
add_intree_flag(&buf, !external_module);
add_retpoline(&buf);
add_staging_flag(&buf, mod->name);
- err |= add_versions(&buf, mod);
+ add_versions(&buf, mod);
add_depends(&buf, mod);
add_moddevtable(&buf, mod);
add_srcversion(&buf, mod);
@@ -2655,21 +2640,21 @@ int main(int argc, char **argv)
if (dump_write)
write_dump(dump_write);
- if (sec_mismatch_count && sec_mismatch_fatal)
- fatal("Section mismatches detected.\n"
+ if (sec_mismatch_count && !sec_mismatch_warn_only)
+ error("Section mismatches detected.\n"
"Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.\n");
for (n = 0; n < SYMBOL_HASH_SIZE; n++) {
struct symbol *s;
for (s = symbolhash[n]; s; s = s->next) {
if (s->is_static)
- warn("\"%s\" [%s] is a static %s\n",
- s->name, s->module->name,
- export_str(s->export));
+ error("\"%s\" [%s] is a static %s\n",
+ s->name, s->module->name,
+ export_str(s->export));
}
}
free(buf.p);
- return err;
+ return error_occurred ? 1 : 0;
}
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-12 05:08:02 +0000