The error log for inherit_taint() doesn't really help to find the symbols which violate GPL rules. For example, if a module has 50 disallowed symbols, the log only shows the content below and is duplicated with 50 lines. AAA: module using GPL-only symbols uses symbols from proprietary module BBB. AAA: module using GPL-only symbols uses symbols from proprietary module BBB. ... This patch add symbol name to tell the offending symbols explicitly. To-be: AAA: module using GPL-only symbols uses symbols SS1 from proprietary module BBB. AAA: module using GPL-only symbols uses symbols SS2 from proprietary module BBB. ... Signed-off-by: Lecopzer Chen <lecopzer.chen@xxxxxxxxxxxx> --- kernel/module.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/kernel/module.c b/kernel/module.c index 6cea788fd965..30973f0d2b7c 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1372,20 +1372,20 @@ static int verify_namespace_is_imported(const struct load_info *info, return 0; } -static bool inherit_taint(struct module *mod, struct module *owner) +static bool inherit_taint(struct module *mod, struct module *owner, const char *name) { 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); + pr_err("%s: module using GPL-only symbols uses symbols %s from proprietary module %s.\n", + mod->name, 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); + pr_warn("%s: module uses symbols %s from proprietary module %s, inheriting taint.\n", + mod->name, name, owner->name); set_bit(TAINT_PROPRIETARY_MODULE, &mod->taints); } return true; @@ -1417,7 +1417,7 @@ static const struct kernel_symbol *resolve_symbol(struct module *mod, if (fsa.license == GPL_ONLY) mod->using_gplonly_symbols = true; - if (!inherit_taint(mod, fsa.owner)) { + if (!inherit_taint(mod, fsa.owner, name)) { fsa.sym = NULL; goto getname; } -- 2.18.0