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 745eb03..1b9b710 100644 (file)
--- 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;
     }