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| author |   Axel Forsman <axfo@kvaser.com> | 2025-05-20 13:43:32 +0200 |
|---|---|---|
| committer |   Marc Kleine-Budde <mkl@pengutronix.de> | 2025-05-20 21:35:39 +0200 |
| commit | 6d820b81c4dc4a4023e45c3cd6707a07dd838649 (patch) | |
| tree | d51cef2a5e023ddfdfd2c3b8f54dd4789a96c815 /net/unix/af_unix.c | |
| parent | can: kvaser_pciefd: Fix echo_skb race (diff) | |
| download | wireguard-linux-6d820b81c4dc4a4023e45c3cd6707a07dd838649.tar.xz wireguard-linux-6d820b81c4dc4a4023e45c3cd6707a07dd838649.zip | |
can: kvaser_pciefd: Continue parsing DMA buf after dropped RX
Going bus-off on a channel doing RX could result in dropped packets.
As netif_running() gets cleared before the channel abort procedure,
the handling of any last RDATA packets would see netif_rx() return
non-zero to signal a dropped packet. kvaser_pciefd_read_buffer() dealt
with this "error" by breaking out of processing the remaining DMA RX
buffer.
Only return an error from kvaser_pciefd_read_buffer() due to packet
corruption, otherwise handle it internally.
Cc: stable@vger.kernel.org
Signed-off-by: Axel Forsman <axfo@kvaser.com>
Tested-by: Jimmy Assarsson <extja@kvaser.com>
Reviewed-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250520114332.8961-4-axfo@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions