AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-23 00:32:23 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

tun: add missing rcu annotation in tun_set_ebpf()

Browse Source 
We expecte prog_p to be protected by rcu, so adding the rcu annotation
to fix the following sparse warning:

drivers/net/tun.c:3003:36: warning: incorrect type in argument 2 (different address spaces)
drivers/net/tun.c:3003:36:    expected struct tun_prog [noderef] __rcu **prog_p
drivers/net/tun.c:3003:36:    got struct tun_prog **prog_p
drivers/net/tun.c:3292:42: warning: incorrect type in argument 2 (different address spaces)
drivers/net/tun.c:3292:42:    expected struct tun_prog **prog_p
drivers/net/tun.c:3292:42:    got struct tun_prog [noderef] __rcu **
drivers/net/tun.c:3296:42: warning: incorrect type in argument 2 (different address spaces)
drivers/net/tun.c:3296:42:    expected struct tun_prog **prog_p
drivers/net/tun.c:3296:42:    got struct tun_prog [noderef] __rcu **

Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jason Wang 2020-07-31 00:17:20 -04:00 committed by David S. Miller
parent 48040793fa
commit 8f3f330da2
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/tun.c
View File

@ -2983,7 +2983,7 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr)
return ret;
}
static int tun_set_ebpf(struct tun_struct *tun, struct tun_prog **prog_p,
static int tun_set_ebpf(struct tun_struct *tun, struct tun_prog __rcu **prog_p,
void __user *data)
{
struct bpf_prog *prog;