sanitize do_pipe_flags() callers in arch
* hpux_pipe() - no need to take BKL
* sys32_pipe() in arch/x86/ia32 and xtensa_pipe() in arch/xtensa -
no need at all, since both functions are open-coded sys_pipe()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c
index 18072e0..92343bd 100644
--- a/arch/parisc/hpux/sys_hpux.c
+++ b/arch/parisc/hpux/sys_hpux.c
@@ -445,12 +445,7 @@
int hpux_pipe(int *kstack_fildes)
{
- int error;
-
- lock_kernel();
- error = do_pipe_flags(kstack_fildes, 0);
- unlock_kernel();
- return error;
+ return do_pipe_flags(kstack_fildes, 0);
}
/* lies - says it works, but it really didn't lock anything */
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index 4a5a089e..d5f6904 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -30,7 +30,6 @@
asmlinkage long sys32_mmap(struct mmap_arg_struct __user *);
asmlinkage long sys32_mprotect(unsigned long, size_t, unsigned long);
-asmlinkage long sys32_pipe(int __user *);
struct sigaction32;
struct old_sigaction32;
asmlinkage long sys32_rt_sigaction(int, struct sigaction32 __user *,
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index 4352dbe..efcf33b 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -12,7 +12,6 @@
struct sigaction;
asmlinkage long xtensa_execve(char*, char**, char**, struct pt_regs*);
asmlinkage long xtensa_clone(unsigned long, unsigned long, struct pt_regs*);
-asmlinkage long xtensa_pipe(int __user *);
asmlinkage long xtensa_ptrace(long, long, long, long);
asmlinkage long xtensa_sigreturn(struct pt_regs*);
asmlinkage long xtensa_rt_sigreturn(struct pt_regs*);
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index fbf318b..528042c 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -94,7 +94,7 @@
#define __NR_mknod 36
__SYSCALL( 36, sys_mknod, 3)
#define __NR_pipe 37
-__SYSCALL( 37, xtensa_pipe, 1)
+__SYSCALL( 37, sys_pipe, 1)
#define __NR_unlink 38
__SYSCALL( 38, sys_unlink, 1)
#define __NR_rmdir 39
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index 1e67bab..816e6d0 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -39,24 +39,6 @@
#include <asm/unistd.h>
};
-/*
- * xtensa_pipe() is the normal C calling standard for creating a pipe. It's not
- * the way unix traditional does this, though.
- */
-
-asmlinkage long xtensa_pipe(int __user *userfds)
-{
- int fd[2];
- int error;
-
- error = do_pipe_flags(fd, 0);
- if (!error) {
- if (copy_to_user(userfds, fd, 2 * sizeof(int)))
- error = -EFAULT;
- }
- return error;
-}
-
asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
{
unsigned long ret;