[ARM] 3338/1: old ABI compat: sys_socketcall

Patch from Nicolas Pitre

Commit 99595d0237926b5aba1fe4c844a011a1ba1ee1f8 forgot to intercept
sys_socketcall as well.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 31 insertions, 1 deletions

diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 8c3035d5ffc9..3173924a9b60 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -111,7 +111,7 @@
                 CALL(sys_statfs)
 /* 100 */       CALL(sys_fstatfs)
                 CALL(sys_ni_syscall)
-                CALL(OBSOLETE(sys_socketcall))
+                CALL(OBSOLETE(ABI(sys_socketcall, sys_oabi_socketcall)))
                 CALL(sys_syslog)
                 CALL(sys_setitimer)
 /* 105 */       CALL(sys_getitimer)
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 9d4b76409c64..8e2f9bc3368b 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -64,6 +64,7 @@
  * sys_connect:
  * sys_sendmsg:
  * sys_sendto:
+ * sys_socketcall:
  *
  *   struct sockaddr_un loses its padding with EABI.  Since the size of the
  *   structure is used as a validation test in unix_mkname(), we need to
@@ -78,6 +79,7 @@
 #include <linux/eventpoll.h>
 #include <linux/sem.h>
 #include <linux/socket.h>
+#include <linux/net.h>
 #include <asm/ipc.h>
 #include <asm/uaccess.h>
 
@@ -408,3 +410,31 @@ asmlinkage long sys_oabi_sendmsg(int fd, struct msghdr __user *msg, unsigned fla
         return sys_sendmsg(fd, msg, flags);
 }
 
+asmlinkage long sys_oabi_socketcall(int call, unsigned long __user *args)
+{
+        unsigned long r = -EFAULT, a[6];
+
+        switch (call) {
+        case SYS_BIND:
+                if (copy_from_user(a, args, 3 * sizeof(long)) == 0)
+                        r = sys_oabi_bind(a[0], (struct sockaddr __user *)a[1], a[2]);
+                break;
+        case SYS_CONNECT:
+                if (copy_from_user(a, args, 3 * sizeof(long)) == 0)
+                        r = sys_oabi_connect(a[0], (struct sockaddr __user *)a[1], a[2]);
+                break;
+        case SYS_SENDTO:
+                if (copy_from_user(a, args, 6 * sizeof(long)) == 0)
+                        r = sys_oabi_sendto(a[0], (void __user *)a[1], a[2], a[3],
+                                            (struct sockaddr __user *)a[4], a[5]);
+                break;
+        case SYS_SENDMSG:
+                if (copy_from_user(a, args, 3 * sizeof(long)) == 0)
+                        r = sys_oabi_sendmsg(a[0], (struct msghdr __user *)a[1], a[2]);
+                break;
+        default:
+                r = sys_socketcall(call, args);
+        }
+
+        return r;
+}