CVS commit: [bouyer-socketcan] src/sys/netcan

["Manuel Bouyer" <bouyer%netbsd.org@localhost>]

Module Name:    src
Committed By:   bouyer
Date:           Sun Apr 23 21:05:09 UTC 2017

Modified Files:
        src/sys/netcan [bouyer-socketcan]: can.c can_pcb.c can_pcb.h

Log Message:
Add locking and refcounting to canpcb.
Store the canpcb in the in the mbuf tag on send instead of the socket's address.
This should protect against a race where the socket cloud be closed before
we get back the mbuf from the adapter's driver.


To generate a diff of this commit:
cvs rdiff -u -r1.1.2.12 -r1.1.2.13 src/sys/netcan/can.c
cvs rdiff -u -r1.1.2.3 -r1.1.2.4 src/sys/netcan/can_pcb.c \
    src/sys/netcan/can_pcb.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.