@@ -389,7 +389,6 @@ struct module {
unsigned int num_gpl_syms;
const struct kernel_symbol *gpl_syms;
const s32 *gpl_crcs;
- bool using_gplonly_symbols;
#ifdef CONFIG_UNUSED_SYMBOLS
/* unused exported symbols. */
@@ -1432,24 +1432,6 @@ static int verify_namespace_is_imported(const struct load_info *info,
return 0;
}
-static bool inherit_taint(struct module *mod, struct module *owner)
-{
- if (!owner || !test_bit(TAINT_PROPRIETARY_MODULE, &owner->taints))
- return true;
-
- if (mod->using_gplonly_symbols) {
- pr_err("%s: module using GPL-only symbols uses symbols from proprietary module %s.\n",
- mod->name, owner->name);
- return false;
- }
-
- if (!test_bit(TAINT_PROPRIETARY_MODULE, &mod->taints)) {
- pr_warn("%s: module uses symbols from proprietary module %s, inheriting taint.\n",
- mod->name, owner->name);
- set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints);
- }
- return true;
-}
/* Resolve a symbol for this module. I.e. if we find one, record usage. */
static const struct kernel_symbol *resolve_symbol(struct module *mod,
@@ -1475,14 +1457,6 @@ static const struct kernel_symbol *resolve_symbol(struct module *mod,
if (!sym)
goto unlock;
- if (license == GPL_ONLY)
- mod->using_gplonly_symbols = true;
-
- if (!inherit_taint(mod, owner)) {
- sym = NULL;
- goto getname;
- }
-
if (!check_version(info, name, mod, crc)) {
sym = ERR_PTR(-EINVAL);
goto getname;
BugLink: https://bugs.launchpad.net/bugs/1932065 This reverts commit a1364c5c1c767f8fac7cc17293324d46db255410. Upstream introduced 'module' patches that removed exported symbols that might cause potential disruption and breakage for customers. Reverting as SAUCE patches to prevent regressions. Signed-off-by: Ian May <ian.may@canonical.com> --- include/linux/module.h | 1 - kernel/module.c | 26 -------------------------- 2 files changed, 27 deletions(-)