osmocom-net-gprs

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483 discussions

TTCN3 3G/2G Authentication using SIM card/SIM card reader
by Mirko Kovacevic 02 Apr '20

02 Apr '20

HI, Osmo Packet Core Guys, I am working from home nowadays, testing commercial packet core equipment (Ericsson). I have already listen/read about using TTCN3 in all your famous products. But never get a try. I am interesting to deploy similar tests for production systems like yours for OsmoSGSN, due to lack of test radio equipment from home and also to make some sort of automation. I ran your TTCN3 tests for OsmoSGSN and get loved on a first sight. You did amazing job and made countless possibilities. Thank for that. I know you have C code support in libosmocore library for 3g/2g auth. *Can we use SIM card reader in TTCN3 as an option to evaluate authentication ?!* *Did you ever tried?!* Best regards, Mirko K.

2 1

[PATCH] net: set NLM_F_MULTI flag in gtp_genl_dump_pdp()
by Yoshiyuki Kurauchi 24 Feb '20

24 Feb '20

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(a)gmail.com> --- drivers/net/gtp.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 672cd2caf2fb..10fa731bae6d 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -1097,7 +1097,7 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info) } static struct pdp_ctx *gtp_find_pdp_by_link(struct net *net, - struct nlattr *nla[]) + struct nlattr *nla[]) { struct gtp_dev *gtp; @@ -1169,11 +1169,11 @@ static int gtp_genl_del_pdp(struct sk_buff *skb, struct genl_info *info) 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; @@ -1227,8 +1227,8 @@ 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, + info->nlhdr->nlmsg_flags, info->nlhdr->nlmsg_type, pctx); if (err < 0) goto err_unlock_free; @@ -1271,6 +1271,7 @@ 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; -- 2.17.1

1 0

[PATCH] net: set NLM_F_MULTI flag in gtp_genl_dump_pdp() 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.
by Yoshiyuki Kurauchi 24 Feb '20

24 Feb '20

Signed-off-by: Yoshiyuki Kurauchi <ahochauwaaaaa(a)gmail.com> --- drivers/net/gtp.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 672cd2caf2fb..10fa731bae6d 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -1097,7 +1097,7 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info) } static struct pdp_ctx *gtp_find_pdp_by_link(struct net *net, - struct nlattr *nla[]) + struct nlattr *nla[]) { struct gtp_dev *gtp; @@ -1169,11 +1169,11 @@ static int gtp_genl_del_pdp(struct sk_buff *skb, struct genl_info *info) 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; @@ -1227,8 +1227,8 @@ 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, + info->nlhdr->nlmsg_flags, info->nlhdr->nlmsg_type, pctx); if (err < 0) goto err_unlock_free; @@ -1271,6 +1271,7 @@ 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; -- 2.17.1

1 0

[PATCH net] gtp: use __GFP_NOWARN to avoid memalloc warning
by Taehee Yoo 04 Feb '20

04 Feb '20

gtp hashtable size is received by user-space. So, this hashtable size could be too large. If so, kmalloc will internally print a warning message. This warning message is actually not necessary for the gtp module. So, this patch adds __GFP_NOWARN to avoid this message. Splat looks like: [ 2171.200049][ T1860] WARNING: CPU: 1 PID: 1860 at mm/page_alloc.c:4713 __alloc_pages_nodemask+0x2f3/0x740 [ 2171.238885][ T1860] Modules linked in: gtp veth openvswitch nsh nf_conncount nf_nat nf_conntrack nf_defrag_ipv] [ 2171.262680][ T1860] CPU: 1 PID: 1860 Comm: gtp-link Not tainted 5.5.0+ #321 [ 2171.263567][ T1860] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 2171.264681][ T1860] RIP: 0010:__alloc_pages_nodemask+0x2f3/0x740 [ 2171.265332][ T1860] Code: 64 fe ff ff 65 48 8b 04 25 c0 0f 02 00 48 05 f0 12 00 00 41 be 01 00 00 00 49 89 47 0 [ 2171.267301][ T1860] RSP: 0018:ffff8880b51af1f0 EFLAGS: 00010246 [ 2171.268320][ T1860] RAX: ffffed1016a35e43 RBX: 0000000000000000 RCX: 0000000000000000 [ 2171.269517][ T1860] RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000000000 [ 2171.270305][ T1860] RBP: 0000000000040cc0 R08: ffffed1018893109 R09: dffffc0000000000 [ 2171.275973][ T1860] R10: 0000000000000001 R11: ffffed1018893108 R12: 1ffff11016a35e43 [ 2171.291039][ T1860] R13: 000000000000000b R14: 000000000000000b R15: 00000000000f4240 [ 2171.292328][ T1860] FS: 00007f53cbc83740(0000) GS:ffff8880da000000(0000) knlGS:0000000000000000 [ 2171.293409][ T1860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2171.294586][ T1860] CR2: 000055f540014508 CR3: 00000000b49f2004 CR4: 00000000000606e0 [ 2171.295424][ T1860] Call Trace: [ 2171.295756][ T1860] ? mark_held_locks+0xa5/0xe0 [ 2171.296659][ T1860] ? __alloc_pages_slowpath+0x21b0/0x21b0 [ 2171.298283][ T1860] ? gtp_encap_enable_socket+0x13e/0x400 [gtp] [ 2171.298962][ T1860] ? alloc_pages_current+0xc1/0x1a0 [ 2171.299475][ T1860] kmalloc_order+0x22/0x80 [ 2171.299936][ T1860] kmalloc_order_trace+0x1d/0x140 [ 2171.300437][ T1860] __kmalloc+0x302/0x3a0 [ 2171.300896][ T1860] gtp_newlink+0x293/0xba0 [gtp] [ ... ] Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Taehee Yoo <ap420073(a)gmail.com> --- drivers/net/gtp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 7032a2405e1a..af07ea760b35 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -767,12 +767,12 @@ static int gtp_hashtable_new(struct gtp_dev *gtp, int hsize) int i; gtp->addr_hash = kmalloc_array(hsize, sizeof(struct hlist_head), - GFP_KERNEL); + GFP_KERNEL | __GFP_NOWARN); if (gtp->addr_hash == NULL) return -ENOMEM; gtp->tid_hash = kmalloc_array(hsize, sizeof(struct hlist_head), - GFP_KERNEL); + GFP_KERNEL | __GFP_NOWARN); if (gtp->tid_hash == NULL) goto err1; -- 2.17.1

2 1

Re: [PATCH] gtp: simplify error handling code in 'gtp_encap_enable()'
by Simon Horman 06 Jan '20

06 Jan '20

On Sun, Jan 05, 2020 at 06:36:07PM +0100, Christophe JAILLET wrote: > 'gtp_encap_disable_sock(sk)' handles the case where sk is NULL, so there > is no need to test it before calling the function. > > This saves a few line of code. > > Signed-off-by: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> Reviewed-by: Simon Horman <simon.horman(a)netronome.com>

2 1

[PATCH AUTOSEL 4.9 23/38] gtp: avoid zero size hashtable
by Sasha Levin 27 Dec '19

27 Dec '19

From: Taehee Yoo <ap420073(a)gmail.com> [ Upstream commit 6a902c0f31993ab02e1b6ea7085002b9c9083b6a ] GTP default hashtable size is 1024 and userspace could set specific hashtable size with IFLA_GTP_PDP_HASHSIZE. If hashtable size is set to 0 from userspace, hashtable will not work and panic will occur. Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Taehee Yoo <ap420073(a)gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- drivers/net/gtp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 1d2fc81dc714..c2898718b593 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -677,10 +677,13 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev, if (err < 0) goto out_err; - if (!data[IFLA_GTP_PDP_HASHSIZE]) + if (!data[IFLA_GTP_PDP_HASHSIZE]) { hashsize = 1024; - else + } else { hashsize = nla_get_u32(data[IFLA_GTP_PDP_HASHSIZE]); + if (!hashsize) + hashsize = 1024; + } err = gtp_hashtable_new(gtp, hashsize); if (err < 0) -- 2.20.1

1 0

[PATCH AUTOSEL 4.9 22/38] gtp: fix wrong condition in gtp_genl_dump_pdp()
by Sasha Levin 27 Dec '19

27 Dec '19

From: Taehee Yoo <ap420073(a)gmail.com> [ Upstream commit 94a6d9fb88df43f92d943c32b84ce398d50bf49f ] gtp_genl_dump_pdp() is ->dumpit() callback of GTP module and it is used to dump pdp contexts. it would be re-executed because of dump packet size. If dump packet size is too big, it saves current dump pointer (gtp interface pointer, bucket, TID value) then it restarts dump from last pointer. Current GTP code allows adding zero TID pdp context but dump code ignores zero TID value. So, last dump pointer will not be found. In addition, this patch adds missing rcu_read_lock() in gtp_genl_dump_pdp(). Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Taehee Yoo <ap420073(a)gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- drivers/net/gtp.c | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 7e1df403a37d..1d2fc81dc714 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -42,7 +42,6 @@ struct pdp_ctx { struct hlist_node hlist_addr; union { - u64 tid; struct { u64 tid; u16 flow; @@ -1221,43 +1220,46 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb, struct netlink_callback *cb) { struct gtp_dev *last_gtp = (struct gtp_dev *)cb->args[2], *gtp; + int i, j, bucket = cb->args[0], skip = cb->args[1]; struct net *net = sock_net(skb->sk); - struct gtp_net *gn = net_generic(net, gtp_net_id); - unsigned long tid = cb->args[1]; - int i, k = cb->args[0], ret; struct pdp_ctx *pctx; + struct gtp_net *gn; + + gn = net_generic(net, gtp_net_id); if (cb->args[4]) return 0; + rcu_read_lock(); list_for_each_entry_rcu(gtp, &gn->gtp_dev_list, list) { if (last_gtp && last_gtp != gtp) continue; else last_gtp = NULL; - for (i = k; i < gtp->hash_size; i++) { - hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], hlist_tid) { - if (tid && tid != pctx->u.tid) - continue; - else - tid = 0; - - ret = gtp_genl_fill_info(skb, - NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, - cb->nlh->nlmsg_type, pctx); - if (ret < 0) { + for (i = bucket; i < gtp->hash_size; i++) { + j = 0; + hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], + hlist_tid) { + if (j >= skip && + gtp_genl_fill_info(skb, + NETLINK_CB(cb->skb).portid, + cb->nlh->nlmsg_seq, + cb->nlh->nlmsg_type, pctx)) { cb->args[0] = i; - cb->args[1] = pctx->u.tid; + cb->args[1] = j; cb->args[2] = (unsigned long)gtp; goto out; } + j++; } + skip = 0; } + bucket = 0; } cb->args[4] = 1; out: + rcu_read_unlock(); return skb->len; } -- 2.20.1

1 0

[PATCH AUTOSEL 4.14 36/57] gtp: avoid zero size hashtable
by Sasha Levin 27 Dec '19

27 Dec '19

From: Taehee Yoo <ap420073(a)gmail.com> [ Upstream commit 6a902c0f31993ab02e1b6ea7085002b9c9083b6a ] GTP default hashtable size is 1024 and userspace could set specific hashtable size with IFLA_GTP_PDP_HASHSIZE. If hashtable size is set to 0 from userspace, hashtable will not work and panic will occur. Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Taehee Yoo <ap420073(a)gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- drivers/net/gtp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 52628a9986b1..b2f5f7f3d6b4 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -664,10 +664,13 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev, if (err < 0) return err; - if (!data[IFLA_GTP_PDP_HASHSIZE]) + if (!data[IFLA_GTP_PDP_HASHSIZE]) { hashsize = 1024; - else + } else { hashsize = nla_get_u32(data[IFLA_GTP_PDP_HASHSIZE]); + if (!hashsize) + hashsize = 1024; + } err = gtp_hashtable_new(gtp, hashsize); if (err < 0) -- 2.20.1

1 0

[PATCH AUTOSEL 4.14 35/57] gtp: fix wrong condition in gtp_genl_dump_pdp()
by Sasha Levin 27 Dec '19

27 Dec '19

From: Taehee Yoo <ap420073(a)gmail.com> [ Upstream commit 94a6d9fb88df43f92d943c32b84ce398d50bf49f ] gtp_genl_dump_pdp() is ->dumpit() callback of GTP module and it is used to dump pdp contexts. it would be re-executed because of dump packet size. If dump packet size is too big, it saves current dump pointer (gtp interface pointer, bucket, TID value) then it restarts dump from last pointer. Current GTP code allows adding zero TID pdp context but dump code ignores zero TID value. So, last dump pointer will not be found. In addition, this patch adds missing rcu_read_lock() in gtp_genl_dump_pdp(). Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Taehee Yoo <ap420073(a)gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- drivers/net/gtp.c | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 0522cbdce44a..52628a9986b1 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -42,7 +42,6 @@ struct pdp_ctx { struct hlist_node hlist_addr; union { - u64 tid; struct { u64 tid; u16 flow; @@ -1247,43 +1246,46 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb, struct netlink_callback *cb) { struct gtp_dev *last_gtp = (struct gtp_dev *)cb->args[2], *gtp; + int i, j, bucket = cb->args[0], skip = cb->args[1]; struct net *net = sock_net(skb->sk); - struct gtp_net *gn = net_generic(net, gtp_net_id); - unsigned long tid = cb->args[1]; - int i, k = cb->args[0], ret; struct pdp_ctx *pctx; + struct gtp_net *gn; + + gn = net_generic(net, gtp_net_id); if (cb->args[4]) return 0; + rcu_read_lock(); list_for_each_entry_rcu(gtp, &gn->gtp_dev_list, list) { if (last_gtp && last_gtp != gtp) continue; else last_gtp = NULL; - for (i = k; i < gtp->hash_size; i++) { - hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], hlist_tid) { - if (tid && tid != pctx->u.tid) - continue; - else - tid = 0; - - ret = gtp_genl_fill_info(skb, - NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, - cb->nlh->nlmsg_type, pctx); - if (ret < 0) { + for (i = bucket; i < gtp->hash_size; i++) { + j = 0; + hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], + hlist_tid) { + if (j >= skip && + gtp_genl_fill_info(skb, + NETLINK_CB(cb->skb).portid, + cb->nlh->nlmsg_seq, + cb->nlh->nlmsg_type, pctx)) { cb->args[0] = i; - cb->args[1] = pctx->u.tid; + cb->args[1] = j; cb->args[2] = (unsigned long)gtp; goto out; } + j++; } + skip = 0; } + bucket = 0; } cb->args[4] = 1; out: + rcu_read_unlock(); return skb->len; } -- 2.20.1

1 0

[PATCH AUTOSEL 4.14 34/57] gtp: do not allow adding duplicate tid and ms_addr pdp context
by Sasha Levin 27 Dec '19

27 Dec '19

From: Taehee Yoo <ap420073(a)gmail.com> [ Upstream commit 6b01b1d9b2d38dc84ac398bfe9f00baff06a31e5 ] GTP RX packet path lookups pdp context with TID. If duplicate TID pdp contexts are existing in the list, it couldn't select correct pdp context. So, TID value should be unique. GTP TX packet path lookups pdp context with ms_addr. If duplicate ms_addr pdp contexts are existing in the list, it couldn't select correct pdp context. So, ms_addr value should be unique. Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Taehee Yoo <ap420073(a)gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- drivers/net/gtp.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 5de4053774b8..0522cbdce44a 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -929,24 +929,31 @@ static void ipv4_pdp_fill(struct pdp_ctx *pctx, struct genl_info *info) } } -static int ipv4_pdp_add(struct gtp_dev *gtp, struct sock *sk, - struct genl_info *info) +static int gtp_pdp_add(struct gtp_dev *gtp, struct sock *sk, + struct genl_info *info) { + struct pdp_ctx *pctx, *pctx_tid = NULL; struct net_device *dev = gtp->dev; u32 hash_ms, hash_tid = 0; - struct pdp_ctx *pctx; + unsigned int version; bool found = false; __be32 ms_addr; ms_addr = nla_get_be32(info->attrs[GTPA_MS_ADDRESS]); hash_ms = ipv4_hashfn(ms_addr) % gtp->hash_size; + version = nla_get_u32(info->attrs[GTPA_VERSION]); - hlist_for_each_entry_rcu(pctx, &gtp->addr_hash[hash_ms], hlist_addr) { - if (pctx->ms_addr_ip4.s_addr == ms_addr) { - found = true; - break; - } - } + pctx = ipv4_pdp_find(gtp, ms_addr); + if (pctx) + found = true; + if (version == GTP_V0) + pctx_tid = gtp0_pdp_find(gtp, + nla_get_u64(info->attrs[GTPA_TID])); + else if (version == GTP_V1) + pctx_tid = gtp1_pdp_find(gtp, + nla_get_u32(info->attrs[GTPA_I_TEI])); + if (pctx_tid) + found = true; if (found) { if (info->nlhdr->nlmsg_flags & NLM_F_EXCL) @@ -954,6 +961,11 @@ static int ipv4_pdp_add(struct gtp_dev *gtp, struct sock *sk, if (info->nlhdr->nlmsg_flags & NLM_F_REPLACE) return -EOPNOTSUPP; + if (pctx && pctx_tid) + return -EEXIST; + if (!pctx) + pctx = pctx_tid; + ipv4_pdp_fill(pctx, info); if (pctx->gtp_version == GTP_V0) @@ -1077,7 +1089,7 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info) goto out_unlock; } - err = ipv4_pdp_add(gtp, sk, info); + err = gtp_pdp_add(gtp, sk, info); out_unlock: rcu_read_unlock(); -- 2.20.1

1 0

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