madwifi: napi polling fix

 - fix u_int negative comparison
 - add some reserve for polling packets (ff has two frames in one descriptor)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12280 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/patches/300-napi_polling.patch b/package/madwifi/patches/300-napi_polling.patch
index 609e74cd217127de3dcab928049dd1d8c0e36f22..0d7b566b8d7a7396c4721c445bcceba9ad19dcb8 100644 (file)
--- a/package/madwifi/patches/300-napi_polling.patch
+++ b/package/madwifi/patches/300-napi_polling.patch
@@ -234,7 +234,7 @@
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 +              processed++;
 +#endif
-+              if (rx_limit-- < 0) {
++              if (rx_limit-- < 2) {
 +                      early_stop = 1;
 +                      break;
 +              }