3 files changed, 5 insertions, 15 deletions

diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 2937a9236384..c07db9dff7cd 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -17,6 +17,7 @@
 #include <linux/personality.h>
 #include <linux/security.h>
 #include <linux/compat.h>
+#include <linux/signal.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -285,7 +286,7 @@ long sys_ptrace(long request, pid_t pid, long addr, long data)
                 ret = -EIO;
                 DBG("sys_ptrace(%s)\n",
                         request == PTRACE_SYSCALL ? "SYSCALL" : "CONT");
-                if ((unsigned long) data > _NSIG)
+                if (!valid_signal(data))
                         goto out_tsk;
                 child->ptrace &= ~(PT_SINGLESTEP|PT_BLOCKSTEP);
                 if (request == PTRACE_SYSCALL) {
@@ -311,7 +312,7 @@ long sys_ptrace(long request, pid_t pid, long addr, long data)
         case PTRACE_SINGLEBLOCK:
                 DBG("sys_ptrace(SINGLEBLOCK)\n");
                 ret = -EIO;
-                if ((unsigned long) data > _NSIG)
+                if (!valid_signal(data))
                         goto out_tsk;
                 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
                 child->ptrace &= ~PT_SINGLESTEP;
@@ -328,7 +329,7 @@ long sys_ptrace(long request, pid_t pid, long addr, long data)
         case PTRACE_SINGLESTEP:
                 DBG("sys_ptrace(SINGLESTEP)\n");
                 ret = -EIO;
-                if ((unsigned long) data > _NSIG)
+                if (!valid_signal(data))
                         goto out_tsk;
 
                 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 7958cd8c8bf8..d15a1d53e101 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -161,17 +161,6 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
         }
 }
 
-long sys_shmat_wrapper(int shmid, char __user *shmaddr, int shmflag)
-{
-        unsigned long raddr;
-        int r;
-
-        r = do_shmat(shmid, shmaddr, shmflag, &raddr);
-        if (r < 0)
-                return r;
-        return raddr;
-}
-
 /* Fucking broken ABI */
 
 #ifdef CONFIG_64BIT
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 779b537100ec..dcfa4d3d0e7d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -297,7 +297,7 @@
         ENTRY_DIFF(msgrcv)
         ENTRY_SAME(msgget)              /* 190 */
         ENTRY_SAME(msgctl)
-        ENTRY_SAME(shmat_wrapper)
+        ENTRY_SAME(shmat)
         ENTRY_SAME(shmdt)
         ENTRY_SAME(shmget)
         ENTRY_SAME(shmctl)              /* 195 */