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tun: add missing rcu annotation in tun_set_ebpf()
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>
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drivers/net
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@ -2983,7 +2983,7 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr)
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return ret;
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}
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static int tun_set_ebpf(struct tun_struct *tun, struct tun_prog **prog_p,
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static int tun_set_ebpf(struct tun_struct *tun, struct tun_prog __rcu **prog_p,
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void __user *data)
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{
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struct bpf_prog *prog;
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