From: blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 30 Mar 2014 14:01:21 +0000 (+0000)
Subject: lantiq: fix ptm crash under load
X-Git-Url: https://git.enpas.org/?a=commitdiff_plain;h=bf851476bef22d3b52ca99b9de370560e16a50b9;p=openwrt.git

lantiq: fix ptm crash under load

https://dev.openwrt.org/ticket/14581

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40335 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c b/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
index 745eb03321..1b9b710bfb 100644
--- a/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
+++ b/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
@@ -256,8 +256,8 @@ static int ptm_napi_poll(struct napi_struct *napi, int budget)
     //  clear interrupt
     IFX_REG_W32_MASK(0, 1, MBOX_IGU1_ISRC);
     //  no more traffic
-    if ( WAN_RX_DESC_BASE[g_ptm_priv_data.itf[0].rx_desc_pos].own ) {   //  if PP32 hold descriptor
-        napi_complete(napi);
+    if (work_done < budget) {
+	napi_complete(napi);
         IFX_REG_W32_MASK(0, 1, MBOX_IGU1_IER);
         return work_done;
     }