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can: ti_hecc: Fix napi poll return value for repoll

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commit f6c23b174c3c96616514827407769cbcfc8005cf upstream.

After commit d75b1ade56 ("net: less interrupt masking in NAPI") napi
repoll is done only when work_done == budget.
So we need to return budget if there are still packets to receive.

Signed-off-by: Oliver Stäbler <oliver.staebler@bytesatwork.ch>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Stäbler 2017-11-20 14:45:15 +01:00 committed by Greg Kroah-Hartman
parent 69b0bf95a5
commit a68e3c90df
1 changed files with 3 additions and 0 deletions
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3
drivers/net/can/ti_hecc.c
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@ -652,6 +652,9 @@ static int ti_hecc_rx_poll(struct napi_struct *napi, int quota)
mbx_mask = hecc_read(priv, HECC_CANMIM);
mbx_mask |= HECC_TX_MBOX_MASK;
hecc_write(priv, HECC_CANMIM, mbx_mask);
} else {
/* repoll is done only if whole budget is used */
num_pkts = quota;
}
return num_pkts;