a7y18lte-ubports/android_kernel_samsung_a7y18lte
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

slcan: not call free_netdev before rtnl_unlock in slcan_open

Browse Source 
[ Upstream commit 2091a3d42b4f339eaeed11228e0cbe9d4f92f558 ]

As the description before netdev_run_todo, we cannot call free_netdev
before rtnl_unlock, fix it by reorder the code.

This patch is a 1:1 copy of upstream slip.c commit f596c87005f7
("slip: not call free_netdev before rtnl_unlock in slip_open").

Reported-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Hartkopp 2020-03-21 14:08:29 +01:00 committed by prashantpaddune
parent fc4342c714
commit b0195abd3f
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/can/slcan.c
View File

@ -621,7 +621,10 @@ err_free_chan:
tty->disc_data = NULL; tty->disc_data = NULL;
clear_bit(SLF_INUSE, &sl->flags); clear_bit(SLF_INUSE, &sl->flags);
slc_free_netdev(sl->dev); slc_free_netdev(sl->dev);
/* do not call free_netdev before rtnl_unlock */
rtnl_unlock();
free_netdev(sl->dev); free_netdev(sl->dev);
return err;
err_exit: err_exit:
rtnl_unlock(); rtnl_unlock();