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Subject[PATCH net-next] tun: add missing rcu annotation
Date
This patch fixes the following sparse warnings:

drivers/net/tun.c:2241:15: error: incompatible types in comparison expression (different address spaces)

Fixes: cd5681d7d890 ("tuntap: rename struct tun_steering_prog to struct tun_prog")
Cc: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/net/tun.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 6988746..2bc18b1 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2225,7 +2225,8 @@ static void tun_prog_free(struct rcu_head *rcu)
kfree(prog);
}

-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,
struct bpf_prog *prog)
{
struct tun_prog *old, *new = NULL;
--
2.7.4
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