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Message-Id: <20200717062331.691152-2-hch@lst.de>
Date: Fri, 17 Jul 2020 08:23:10 +0200
From: Christoph Hellwig <hch@....de>
To: "David S. Miller" <davem@...emloft.net>
Cc: Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Chas Williams <3chas3@...il.com>,
Pablo Neira Ayuso <pablo@...filter.org>,
Jozsef Kadlecsik <kadlec@...filter.org>,
Florian Westphal <fw@...len.de>,
Alexey Kuznetsov <kuznet@....inr.ac.ru>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
bpf@...r.kernel.org, netfilter-devel@...r.kernel.org,
linux-sctp@...r.kernel.org, linux-arch@...r.kernel.org,
linux-bluetooth@...r.kernel.org, bridge@...ts.linux-foundation.org,
linux-can@...r.kernel.org, dccp@...r.kernel.org,
linux-wpan@...r.kernel.org, mptcp@...ts.01.org
Subject: [PATCH 01/22] net/atm: remove the atmdev_ops {get,set}sockopt methods
All implementations of these two methods are dummies that always
return -EINVAL.
Signed-off-by: Christoph Hellwig <hch@....de>
---
drivers/atm/eni.c | 17 -----------------
drivers/atm/firestream.c | 2 --
drivers/atm/fore200e.c | 27 ---------------------------
drivers/atm/horizon.c | 40 ----------------------------------------
drivers/atm/iphase.c | 16 ----------------
drivers/atm/lanai.c | 2 --
drivers/atm/solos-pci.c | 2 --
drivers/atm/zatm.c | 16 ----------------
include/linux/atmdev.h | 9 ---------
net/atm/common.c | 14 ++------------
10 files changed, 2 insertions(+), 143 deletions(-)
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 17d47ad03ab79e..b3d8e00e76716c 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -2027,21 +2027,6 @@ static int eni_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
return dev->phy->ioctl(dev,cmd,arg);
}
-
-static int eni_getsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen)
-{
- return -EINVAL;
-}
-
-
-static int eni_setsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,unsigned int optlen)
-{
- return -EINVAL;
-}
-
-
static int eni_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
enum enq_res res;
@@ -2215,8 +2200,6 @@ static const struct atmdev_ops ops = {
.open = eni_open,
.close = eni_close,
.ioctl = eni_ioctl,
- .getsockopt = eni_getsockopt,
- .setsockopt = eni_setsockopt,
.send = eni_send,
.phy_put = eni_phy_put,
.phy_get = eni_phy_get,
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index cc87004d5e2d62..2ca9ec80273429 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1277,8 +1277,6 @@ static const struct atmdev_ops ops = {
.send = fs_send,
.owner = THIS_MODULE,
/* ioctl: fs_ioctl, */
- /* getsockopt: fs_getsockopt, */
- /* setsockopt: fs_setsockopt, */
/* change_qos: fs_change_qos, */
/* For now implement these internally here... */
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index f4ad7ce25ae8d1..a81bc49c14acc6 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -1710,31 +1710,6 @@ fore200e_getstats(struct fore200e* fore200e)
return 0;
}
-
-static int
-fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen)
-{
- /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */
-
- DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n",
- vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen);
-
- return -EINVAL;
-}
-
-
-static int
-fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen)
-{
- /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */
-
- DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n",
- vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen);
-
- return -EINVAL;
-}
-
-
#if 0 /* currently unused */
static int
fore200e_get_oc3(struct fore200e* fore200e, struct oc3_regs* regs)
@@ -3026,8 +3001,6 @@ static const struct atmdev_ops fore200e_ops = {
.open = fore200e_open,
.close = fore200e_close,
.ioctl = fore200e_ioctl,
- .getsockopt = fore200e_getsockopt,
- .setsockopt = fore200e_setsockopt,
.send = fore200e_send,
.change_qos = fore200e_change_qos,
.proc_read = fore200e_proc_read,
diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
index e5da51f907a25d..4f2951cbe69c08 100644
--- a/drivers/atm/horizon.c
+++ b/drivers/atm/horizon.c
@@ -2527,46 +2527,6 @@ static void hrz_close (struct atm_vcc * atm_vcc) {
clear_bit(ATM_VF_ADDR,&atm_vcc->flags);
}
-#if 0
-static int hrz_getsockopt (struct atm_vcc * atm_vcc, int level, int optname,
- void *optval, int optlen) {
- hrz_dev * dev = HRZ_DEV(atm_vcc->dev);
- PRINTD (DBG_FLOW|DBG_VCC, "hrz_getsockopt");
- switch (level) {
- case SOL_SOCKET:
- switch (optname) {
-// case SO_BCTXOPT:
-// break;
-// case SO_BCRXOPT:
-// break;
- default:
- return -ENOPROTOOPT;
- };
- break;
- }
- return -EINVAL;
-}
-
-static int hrz_setsockopt (struct atm_vcc * atm_vcc, int level, int optname,
- void *optval, unsigned int optlen) {
- hrz_dev * dev = HRZ_DEV(atm_vcc->dev);
- PRINTD (DBG_FLOW|DBG_VCC, "hrz_setsockopt");
- switch (level) {
- case SOL_SOCKET:
- switch (optname) {
-// case SO_BCTXOPT:
-// break;
-// case SO_BCRXOPT:
-// break;
- default:
- return -ENOPROTOOPT;
- };
- break;
- }
- return -EINVAL;
-}
-#endif
-
#if 0
static int hrz_ioctl (struct atm_dev * atm_dev, unsigned int cmd, void *arg) {
hrz_dev * dev = HRZ_DEV(atm_dev);
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 8c7a996d1f16cf..eef637fd90b323 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -2880,20 +2880,6 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
return 0;
}
-static int ia_getsockopt(struct atm_vcc *vcc, int level, int optname,
- void __user *optval, int optlen)
-{
- IF_EVENT(printk(">ia_getsockopt\n");)
- return -EINVAL;
-}
-
-static int ia_setsockopt(struct atm_vcc *vcc, int level, int optname,
- void __user *optval, unsigned int optlen)
-{
- IF_EVENT(printk(">ia_setsockopt\n");)
- return -EINVAL;
-}
-
static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
IADEV *iadev;
struct dle *wr_ptr;
@@ -3164,8 +3150,6 @@ static const struct atmdev_ops ops = {
.open = ia_open,
.close = ia_close,
.ioctl = ia_ioctl,
- .getsockopt = ia_getsockopt,
- .setsockopt = ia_setsockopt,
.send = ia_send,
.phy_put = ia_phy_put,
.phy_get = ia_phy_get,
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index 645a6bc1df8886..986c1313694c66 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -2537,8 +2537,6 @@ static const struct atmdev_ops ops = {
.dev_close = lanai_dev_close,
.open = lanai_open,
.close = lanai_close,
- .getsockopt = NULL,
- .setsockopt = NULL,
.send = lanai_send,
.phy_put = NULL,
.phy_get = NULL,
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index b7646ae55942e6..94fbc3abe60e6a 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -1179,8 +1179,6 @@ static const struct atmdev_ops fpga_ops = {
.open = popen,
.close = pclose,
.ioctl = NULL,
- .getsockopt = NULL,
- .setsockopt = NULL,
.send = psend,
.send_oam = NULL,
.phy_put = NULL,
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 57f97b95a4531c..2788b985edbe48 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -1515,20 +1515,6 @@ static int zatm_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
}
}
-
-static int zatm_getsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen)
-{
- return -EINVAL;
-}
-
-
-static int zatm_setsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,unsigned int optlen)
-{
- return -EINVAL;
-}
-
static int zatm_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
int error;
@@ -1582,8 +1568,6 @@ static const struct atmdev_ops ops = {
.open = zatm_open,
.close = zatm_close,
.ioctl = zatm_ioctl,
- .getsockopt = zatm_getsockopt,
- .setsockopt = zatm_setsockopt,
.send = zatm_send,
.phy_put = zatm_phy_put,
.phy_get = zatm_phy_get,
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index 8124815eb1218b..5d5ff2203fa220 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -176,11 +176,6 @@ struct atm_dev {
#define ATM_OF_IMMED 1 /* Attempt immediate delivery */
#define ATM_OF_INRATE 2 /* Attempt in-rate delivery */
-
-/*
- * ioctl, getsockopt, and setsockopt are optional and can be set to NULL.
- */
-
struct atmdev_ops { /* only send is required */
void (*dev_close)(struct atm_dev *dev);
int (*open)(struct atm_vcc *vcc);
@@ -190,10 +185,6 @@ struct atmdev_ops { /* only send is required */
int (*compat_ioctl)(struct atm_dev *dev,unsigned int cmd,
void __user *arg);
#endif
- int (*getsockopt)(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen);
- int (*setsockopt)(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,unsigned int optlen);
int (*send)(struct atm_vcc *vcc,struct sk_buff *skb);
int (*send_oam)(struct atm_vcc *vcc,void *cell,int flags);
void (*phy_put)(struct atm_dev *dev,unsigned char value,
diff --git a/net/atm/common.c b/net/atm/common.c
index 8575f5d52087d3..9b28f1fb3c69c8 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -782,13 +782,8 @@ int vcc_setsockopt(struct socket *sock, int level, int optname,
vcc->atm_options &= ~ATM_ATMOPT_CLP;
return 0;
default:
- if (level == SOL_SOCKET)
- return -EINVAL;
- break;
- }
- if (!vcc->dev || !vcc->dev->ops->setsockopt)
return -EINVAL;
- return vcc->dev->ops->setsockopt(vcc, level, optname, optval, optlen);
+ }
}
int vcc_getsockopt(struct socket *sock, int level, int optname,
@@ -826,13 +821,8 @@ int vcc_getsockopt(struct socket *sock, int level, int optname,
return copy_to_user(optval, &pvc, sizeof(pvc)) ? -EFAULT : 0;
}
default:
- if (level == SOL_SOCKET)
- return -EINVAL;
- break;
- }
- if (!vcc->dev || !vcc->dev->ops->getsockopt)
return -EINVAL;
- return vcc->dev->ops->getsockopt(vcc, level, optname, optval, len);
+ }
}
int register_atmdevice_notifier(struct notifier_block *nb)
--
2.27.0
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