linux-stable/net/can
Oliver Hartkopp f4b41f062c net: remove noblock parameter from skb_recv_datagram()
skb_recv_datagram() has two parameters 'flags' and 'noblock' that are
merged inside skb_recv_datagram() by 'flags | (noblock ? MSG_DONTWAIT : 0)'

As 'flags' may contain MSG_DONTWAIT as value most callers split the 'flags'
into 'flags' and 'noblock' with finally obsolete bit operations like this:

skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &rc);

And this is not even done consistently with the 'flags' parameter.

This patch removes the obsolete and costly splitting into two parameters
and only performs bit operations when really needed on the caller side.

One missing conversion thankfully reported by kernel test robot. I missed
to enable kunit tests to build the mctp code.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-06 13:45:26 +01:00
..
j1939 net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
af_can.c can: Use netif_rx(). 2022-03-06 11:05:31 +00:00
af_can.h can: introduce CAN midlayer private and allocate it automatically 2019-09-04 13:29:14 +02:00
bcm.c net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
gw.c can: gw: use call_rcu() instead of costly synchronize_rcu() 2022-02-24 08:26:03 +01:00
isotp.c net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
Kconfig net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
Makefile can: add ISO 15765-2:2016 transport protocol 2020-10-07 23:18:33 +02:00
proc.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
raw.c net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00