On 28.03.2022 13:36:11, Oliver Hartkopp wrote:
> In commit 42bf50a1795a ("can: isotp: support MSG_TRUNC flag when reading
> from socket") a new check for recvmsg flags has been introduced that
> only checked for the flags that are handled in isotp_recvmsg() itself.
>
> This accidentally removed the MSG_PEEK feature flag which is processed
> later in the call chain in __skb_try_recv_from_queue().
>
> Add MSG_PEEK to the set of valid flags to restore the feature.
>
> Fixes: 42bf50a1795a ("can: isotp: support MSG_TRUNC flag when reading from socket")
> Link: https://github.com/linux-can/can-utils/issues/347#issuecomment-1079554254
> From: Derek Will <derekrobertwill@xxxxxxxxx>
If this patch is from Derek Will, we need Derek's Signed-off-by [1] and
change to author information accordingly.
[1] https://elixir.bootlin.com/linux/v5.12/source/Documentation/process/submitting-patches.rst#L356
> Tested-by: Derek Will <derekrobertwill@xxxxxxxxx>
> Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
If Derek replies to this mail with his S-o-b line, I'll fix the author
while applying the patch.
regards,
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
Vertretung West/Dortmund | Phone: +49-231-2826-924 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
Attachment:
signature.asc
Description: PGP signature
