Re: Misc 2.5 Fixes: arcnet-oops-fix

From: Dipankar Sarma (dipankar@in.ibm.com)
Date: Tue Jun 10 2003 - 05:06:43 EST


Fix arcnet oopses with raw socket

 drivers/net/arcnet/arc-rawmode.c | 9 ++++-----
 drivers/net/arcnet/arcnet.c | 15 ++++++++-------
 drivers/net/arcnet/rfc1051.c | 9 ++++-----
 drivers/net/arcnet/rfc1201.c | 9 ++++-----
 include/linux/arcdevice.h | 4 ++--
 5 files changed, 22 insertions(+), 24 deletions(-)

diff -puN drivers/net/arcnet/arcnet.c~arcnet-oops-fix drivers/net/arcnet/arcnet.c
--- linux-2.5.70-ds/drivers/net/arcnet/arcnet.c~arcnet-oops-fix 2003-06-08 02:09:38.000000000 +0530
+++ linux-2.5.70-ds-dipankar/drivers/net/arcnet/arcnet.c 2003-06-08 02:09:38.000000000 +0530
@@ -57,8 +57,8 @@
 /* "do nothing" functions for protocol drivers */
 static void null_rx(struct net_device *dev, int bufnum,
                     struct archdr *pkthdr, int length);
-static int null_build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr);
+static int null_build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr);
 static int null_prepare_tx(struct net_device *dev, struct archdr *pkt,
                            int length, int bufnum);
 
@@ -479,7 +479,7 @@ static int arcnet_header(struct sk_buff
                        arc_bcast_proto->suffix);
                 proto = arc_bcast_proto;
         }
- return proto->build_header(skb, type, _daddr);
+ return proto->build_header(skb, dev, type, _daddr);
 }
 
 
@@ -495,6 +495,7 @@ static int arcnet_rebuild_header(struct
         int status = 0; /* default is failure */
         unsigned short type;
         uint8_t daddr=0;
+ struct ArcProto *proto;
 
         if (skb->nh.raw - skb->mac.raw != 2) {
                 BUGMSG(D_NORMAL,
@@ -523,7 +524,8 @@ static int arcnet_rebuild_header(struct
                 return 0;
 
         /* add the _real_ header this time! */
- arc_proto_map[lp->default_proto[daddr]]->build_header(skb, type, daddr);
+ proto = arc_proto_map[lp->default_proto[daddr]];
+ proto->build_header(skb, dev, type, daddr);
 
         return 1; /* success */
 }
@@ -952,10 +954,9 @@ static void null_rx(struct net_device *d
 }
 
 
-static int null_build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr)
+static int null_build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr)
 {
- struct net_device *dev = skb->dev;
         struct arcnet_local *lp = (struct arcnet_local *) dev->priv;
 
         BUGMSG(D_PROTO,
diff -puN drivers/net/arcnet/arc-rawmode.c~arcnet-oops-fix drivers/net/arcnet/arc-rawmode.c
--- linux-2.5.70-ds/drivers/net/arcnet/arc-rawmode.c~arcnet-oops-fix 2003-06-08 02:09:38.000000000 +0530
+++ linux-2.5.70-ds-dipankar/drivers/net/arcnet/arc-rawmode.c 2003-06-08 02:09:38.000000000 +0530
@@ -37,8 +37,8 @@
 
 static void rx(struct net_device *dev, int bufnum,
                struct archdr *pkthdr, int length);
-static int build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr);
+static int build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr);
 static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
                       int bufnum);
 
@@ -131,10 +131,9 @@ static void rx(struct net_device *dev, i
  * Create the ARCnet hard/soft headers for raw mode.
  * There aren't any soft headers in raw mode - not even the protocol id.
  */
-static int build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr)
+static int build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr)
 {
- struct net_device *dev = skb->dev;
         int hdr_size = ARC_HDR_SIZE;
         struct archdr *pkt = (struct archdr *) skb_push(skb, hdr_size);
 
diff -puN drivers/net/arcnet/rfc1051.c~arcnet-oops-fix drivers/net/arcnet/rfc1051.c
--- linux-2.5.70-ds/drivers/net/arcnet/rfc1051.c~arcnet-oops-fix 2003-06-08 02:09:38.000000000 +0530
+++ linux-2.5.70-ds-dipankar/drivers/net/arcnet/rfc1051.c 2003-06-08 02:09:38.000000000 +0530
@@ -37,8 +37,8 @@
 static unsigned short type_trans(struct sk_buff *skb, struct net_device *dev);
 static void rx(struct net_device *dev, int bufnum,
                struct archdr *pkthdr, int length);
-static int build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr);
+static int build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr);
 static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
                       int bufnum);
 
@@ -163,10 +163,9 @@ static void rx(struct net_device *dev, i
 /*
  * Create the ARCnet hard/soft headers for RFC1051.
  */
-static int build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr)
+static int build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr)
 {
- struct net_device *dev = skb->dev;
         struct arcnet_local *lp = (struct arcnet_local *) dev->priv;
         int hdr_size = ARC_HDR_SIZE + RFC1051_HDR_SIZE;
         struct archdr *pkt = (struct archdr *) skb_push(skb, hdr_size);
diff -puN drivers/net/arcnet/rfc1201.c~arcnet-oops-fix drivers/net/arcnet/rfc1201.c
--- linux-2.5.70-ds/drivers/net/arcnet/rfc1201.c~arcnet-oops-fix 2003-06-08 02:09:38.000000000 +0530
+++ linux-2.5.70-ds-dipankar/drivers/net/arcnet/rfc1201.c 2003-06-08 02:09:38.000000000 +0530
@@ -36,8 +36,8 @@
 static unsigned short type_trans(struct sk_buff *skb, struct net_device *dev);
 static void rx(struct net_device *dev, int bufnum,
                struct archdr *pkthdr, int length);
-static int build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr);
+static int build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr);
 static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
                       int bufnum);
 static int continue_tx(struct net_device *dev, int bufnum);
@@ -370,10 +370,9 @@ static void rx(struct net_device *dev, i
 
 
 /* Create the ARCnet hard/soft headers for RFC1201. */
-static int build_header(struct sk_buff *skb, unsigned short type,
- uint8_t daddr)
+static int build_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, uint8_t daddr)
 {
- struct net_device *dev = skb->dev;
         struct arcnet_local *lp = (struct arcnet_local *) dev->priv;
         int hdr_size = ARC_HDR_SIZE + RFC1201_HDR_SIZE;
         struct archdr *pkt = (struct archdr *) skb_push(skb, hdr_size);
diff -puN include/linux/arcdevice.h~arcnet-oops-fix include/linux/arcdevice.h
--- linux-2.5.70-ds/include/linux/arcdevice.h~arcnet-oops-fix 2003-06-08 02:09:38.000000000 +0530
+++ linux-2.5.70-ds-dipankar/include/linux/arcdevice.h 2003-06-08 02:09:38.000000000 +0530
@@ -190,8 +190,8 @@ struct ArcProto {
 
         void (*rx) (struct net_device * dev, int bufnum,
                     struct archdr * pkthdr, int length);
- int (*build_header) (struct sk_buff * skb, unsigned short ethproto,
- uint8_t daddr);
+ int (*build_header) (struct sk_buff * skb, struct net_device *dev,
+ unsigned short ethproto, uint8_t daddr);
 
         /* these functions return '1' if the skb can now be freed */
         int (*prepare_tx) (struct net_device * dev, struct archdr * pkt, int length,

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This archive was generated by hypermail 2b29 : Sun Jun 15 2003 - 22:00:23 EST