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| author | Oliver Stäbler <oliver.staebler@bytesatwork.ch> | 2017-11-20 14:45:15 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2017-12-01 11:20:52 +0100 |
| commit | f6c23b174c3c96616514827407769cbcfc8005cf (patch) | |
| tree | 3e057f9a641e9aab867505bb1af06552efb7ce5d | |
| parent | 8bd13bd522ff7dfa0eb371921aeb417155f7a3be (diff) | |
| download | linux-f6c23b174c3c96616514827407769cbcfc8005cf.tar.bz2 | |
can: ti_hecc: Fix napi poll return value for repoll
After commit d75b1ade567f ("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>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| -rw-r--r-- | drivers/net/can/ti_hecc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 4d4941469cfc..db6ea936dc3f 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -637,6 +637,9 @@ 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; |