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Subject[PATCH 4.19 28/81] gtp: set NLM_F_MULTI flag in gtp_genl_dump_pdp()
Date
From: Yoshiyuki Kurauchi <ahochauwaaaaa@gmail.com>

[ Upstream commit 846c68f7f1ac82c797a2f1db3344a2966c0fe2e1 ]

In drivers/net/gtp.c, gtp_genl_dump_pdp() should set NLM_F_MULTI
flag since it returns multipart message.
This patch adds a new arg "flags" in gtp_genl_fill_info() so that
flags can be set by the callers.

Signed-off-by: Yoshiyuki Kurauchi <ahochauwaaaaa@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/gtp.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index eab9984f73a8..d73850ebb671 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -1177,11 +1177,11 @@ out_unlock:
static struct genl_family gtp_genl_family;

static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq,
- u32 type, struct pdp_ctx *pctx)
+ int flags, u32 type, struct pdp_ctx *pctx)
{
void *genlh;

- genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, 0,
+ genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, flags,
type);
if (genlh == NULL)
goto nlmsg_failure;
@@ -1235,8 +1235,8 @@ static int gtp_genl_get_pdp(struct sk_buff *skb, struct genl_info *info)
goto err_unlock;
}

- err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid,
- info->snd_seq, info->nlhdr->nlmsg_type, pctx);
+ err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid, info->snd_seq,
+ 0, info->nlhdr->nlmsg_type, pctx);
if (err < 0)
goto err_unlock_free;

@@ -1279,6 +1279,7 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb,
gtp_genl_fill_info(skb,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
+ NLM_F_MULTI,
cb->nlh->nlmsg_type, pctx)) {
cb->args[0] = i;
cb->args[1] = j;
--
2.25.1


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