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Commit 9b013c28 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds
Browse files

m32r: use generic sys_pipe 



m32r can use the generic sys_pipe implementation.

The current sys_pipe implementation on m32r only differes from the
generic one by passing a lot of additional unused registers to sys_pipe.

Reviewed and tested by Hirokazu Takata.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarHirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 41d88d55

arch/m32r/kernel/sys_m32r.c

+0 −23
Original line number Diff line number Diff line
@@ -76,29 +76,6 @@ asmlinkage int sys_tas(int __user *addr) 
	return oldval;

}



/*

 * sys_pipe() is the normal C calling standard for creating

 * a pipe. It's not the way Unix traditionally does this, though.

 */

asmlinkage int

sys_pipe(unsigned long r0, unsigned long r1, unsigned long r2,

	unsigned long r3, unsigned long r4, unsigned long r5,

	unsigned long r6, struct pt_regs regs)

{

	int fd[2];

	int error;



	error = do_pipe(fd);

	if (!error) {

		if (copy_to_user((void __user *)r0, fd, 2*sizeof(int))) {

			sys_close(fd[0]);

			sys_close(fd[1]);

			error = -EFAULT;

		}

	}

	return error;

}



asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,

	unsigned long prot, unsigned long flags,

	unsigned long fd, unsigned long pgoff)