netfilter: xtables: change matches to return error code
The following semantic patch does part of the transformation:
// <smpl>
@ rule1 @
struct xt_match ops;
identifier check;
@@
ops.checkentry = check;
@@
identifier rule1.check;
@@
check(...) { <...
-return true;
+return 0;
...> }
@@
identifier rule1.check;
@@
check(...) { <...
-return false;
+return -EINVAL;
...> }
// </smpl>
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index 850e412..d0bdf3d 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -89,7 +89,7 @@
if (!(info->bitmask & XT_PHYSDEV_OP_MASK) ||
info->bitmask & ~XT_PHYSDEV_OP_MASK)
- return false;
+ return -EINVAL;
if (info->bitmask & XT_PHYSDEV_OP_OUT &&
(!(info->bitmask & XT_PHYSDEV_OP_BRIDGED) ||
info->invert & XT_PHYSDEV_OP_BRIDGED) &&
@@ -99,9 +99,9 @@
"POSTROUTING chains for non-bridged traffic is not "
"supported anymore.\n");
if (par->hook_mask & (1 << NF_INET_LOCAL_OUT))
- return false;
+ return -EINVAL;
}
- return true;
+ return 0;
}
static struct xt_match physdev_mt_reg __read_mostly = {