bgmac: fix requests for extra polling calls from NAPI

After d75b1ade567f ("net: less interrupt masking in NAPI") polling
function has to return whole budget when it wants NAPI to call it again.

Signed-off-by: Rafał Miłecki <[e-mail]>
Cc: Felix Fietkau <[e-mail]>
Fixes: eb64e2923a886 ("bgmac: leave interrupts disabled as long as there is work to do")
Acked-by: Felix Fietkau <[e-mail]>
Signed-off-by: Eric Dumazet <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/broadcom/bgmac.c

···
 
 	/* Poll again if more events arrived in the meantime */
 	if (bgmac_read(bgmac, BGMAC_INT_STATUS) & (BGMAC_IS_TX0 | BGMAC_IS_RX))
-		return handled;
+		return weight;
 
 	if (handled < weight) {
 		napi_complete(napi);