[PATCH net-next] fib: fix fib_rules_ops indirect calls wrappers

2020-07-29 Thread Brian Vazquez
This patch fixes:
commit b9aaec8f0be5 ("fib: use indirect call wrappers in the most common
fib_rules_ops") which didn't consider the case when
CONFIG_IPV6_MULTIPLE_TABLES is not set.

Reported-by: Stephen Rothwell 
Fixes: b9aaec8f0be5 ("fib: use indirect call wrappers in the most common 
fib_rules_ops")
Signed-off-by: Brian Vazquez 
---
 net/core/fib_rules.c | 33 -
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index e7a8f87b0bb2b..fce645f6b9b10 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -16,6 +16,13 @@
 #include 
 #include 
 
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+#define INDIRECT_CALL_MT(f, f2, f1, ...) \
+   INDIRECT_CALL_INET(f, f2, f1, __VA_ARGS__)
+#else
+#define INDIRECT_CALL_MT(f, f2, f1, ...) INDIRECT_CALL_1(f, f1, __VA_ARGS__)
+#endif
+
 static const struct fib_kuid_range fib_kuid_range_unset = {
KUIDT_INIT(0),
KUIDT_INIT(~0),
@@ -268,10 +275,10 @@ static int fib_rule_match(struct fib_rule *rule, struct 
fib_rules_ops *ops,
uid_gt(fl->flowi_uid, rule->uid_range.end))
goto out;
 
-   ret = INDIRECT_CALL_INET(ops->match,
-fib6_rule_match,
-fib4_rule_match,
-rule, fl, flags);
+   ret = INDIRECT_CALL_MT(ops->match,
+  fib6_rule_match,
+  fib4_rule_match,
+  rule, fl, flags);
 out:
return (rule->flags & FIB_RULE_INVERT) ? !ret : ret;
 }
@@ -302,15 +309,15 @@ int fib_rules_lookup(struct fib_rules_ops *ops, struct 
flowi *fl,
} else if (rule->action == FR_ACT_NOP)
continue;
else
-   err = INDIRECT_CALL_INET(ops->action,
-fib6_rule_action,
-fib4_rule_action,
-rule, fl, flags, arg);
-
-   if (!err && ops->suppress && INDIRECT_CALL_INET(ops->suppress,
-   
fib6_rule_suppress,
-   
fib4_rule_suppress,
-   rule, arg))
+   err = INDIRECT_CALL_MT(ops->action,
+  fib6_rule_action,
+  fib4_rule_action,
+  rule, fl, flags, arg);
+
+   if (!err && ops->suppress && INDIRECT_CALL_MT(ops->suppress,
+ 
fib6_rule_suppress,
+ 
fib4_rule_suppress,
+ rule, arg))
continue;
 
if (err != -EAGAIN) {
-- 
2.28.0.rc0.142.g3c755180ce-goog



Re: [PATCH net-next] fib: fix fib_rules_ops indirect calls wrappers

2020-07-29 Thread David Miller
From: Brian Vazquez 
Date: Wed, 29 Jul 2020 11:10:18 -0700

> This patch fixes:
> commit b9aaec8f0be5 ("fib: use indirect call wrappers in the most common
> fib_rules_ops") which didn't consider the case when
> CONFIG_IPV6_MULTIPLE_TABLES is not set.
> 
> Reported-by: Stephen Rothwell 
> Fixes: b9aaec8f0be5 ("fib: use indirect call wrappers in the most common 
> fib_rules_ops")
> Signed-off-by: Brian Vazquez 

Applied, thanks Brian.