From: YueHaibing yuehaibing@huawei.com
[ Upstream commit f6d061d617124abbd55396a3bc37b9bf7d33233c ]
In module_add_modinfo_attrs() if sysfs_create_file() fails on the first iteration of the loop (so i = 0), we forget to free the modinfo_attrs.
Fixes: bc6f2a757d52 ("kernel/module: Fix mem leak in module_add_modinfo_attrs") Reviewed-by: Miroslav Benes mbenes@suse.cz Signed-off-by: YueHaibing yuehaibing@huawei.com Signed-off-by: Jessica Yu jeyu@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/module.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/module.c b/kernel/module.c index feb1e0fbc3e85..2806c9b6577c1 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1730,6 +1730,8 @@ static int module_add_modinfo_attrs(struct module *mod) error_out: if (i > 0) module_remove_modinfo_attrs(mod, --i); + else + kfree(mod->modinfo_attrs); return error; }