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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2020-08-28 15:30:56 +0200
committerDavid S. Miller <davem@davemloft.net>2020-08-31 12:24:34 -0700
commit151ea46f3de136f350c69562ce377e6d0200ece0 (patch)
tree0a01b3c0f495fcbd4f3a7ef10f9fd400f21ec0a1
parente2d1baca2b3396371db0a6e1643e487519122069 (diff)
gtp: relax alloc constraint when adding a pdp
When a PDP context is added, the rtnl lock is held, thus no need to force a GFP_ATOMIC. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/gtp.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 6f871ec31393..2ed1e82a8ad8 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -1036,7 +1036,7 @@ static void pdp_context_delete(struct pdp_ctx *pctx)
call_rcu(&pctx->rcu_head, pdp_context_free);
}
-static int gtp_tunnel_notify(struct pdp_ctx *pctx, u8 cmd);
+static int gtp_tunnel_notify(struct pdp_ctx *pctx, u8 cmd, gfp_t allocation);
static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info)
{
@@ -1094,7 +1094,7 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info)
if (IS_ERR(pctx)) {
err = PTR_ERR(pctx);
} else {
- gtp_tunnel_notify(pctx, GTP_CMD_NEWPDP);
+ gtp_tunnel_notify(pctx, GTP_CMD_NEWPDP, GFP_KERNEL);
err = 0;
}
@@ -1166,7 +1166,7 @@ static int gtp_genl_del_pdp(struct sk_buff *skb, struct genl_info *info)
netdev_dbg(pctx->dev, "GTPv1-U: deleting tunnel id = %x/%x (pdp %p)\n",
pctx->u.v1.i_tei, pctx->u.v1.o_tei, pctx);
- gtp_tunnel_notify(pctx, GTP_CMD_DELPDP);
+ gtp_tunnel_notify(pctx, GTP_CMD_DELPDP, GFP_ATOMIC);
pdp_context_delete(pctx);
out_unlock:
@@ -1220,12 +1220,12 @@ nla_put_failure:
return -EMSGSIZE;
}
-static int gtp_tunnel_notify(struct pdp_ctx *pctx, u8 cmd)
+static int gtp_tunnel_notify(struct pdp_ctx *pctx, u8 cmd, gfp_t allocation)
{
struct sk_buff *msg;
int ret;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, allocation);
if (!msg)
return -ENOMEM;