[PATCH] module: potential uninitialized return in module_kallsyms_on_each_symbol()

From: Dan Carpenter
Date: Wed Feb 10 2021 - 06:01:11 EST


Smatch complains that:

kernel/module.c:4472 module_kallsyms_on_each_symbol()
error: uninitialized symbol 'ret'.

This warning looks like it could be correct if the &modules list is
empty.

Fixes: 013c1667cf78 ("kallsyms: refactor {,module_}kallsyms_on_each_symbol")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
kernel/module.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/module.c b/kernel/module.c
index 95186c9d81ea..9bd3c821d029 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -4447,7 +4447,7 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
{
struct module *mod;
unsigned int i;
- int ret;
+ int ret = 0;

mutex_lock(&module_mutex);
list_for_each_entry(mod, &modules, list) {
--
2.30.0