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authorChristoph Hellwig <hch@lst.de>2008-05-09 14:44:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-09 08:04:56 -0700
commit9b013c2820c409ff84871e55e407ec2181782773 (patch)
treea54c6df0d540daf3af0bc7d24e17077bb86a2e9b /arch
parent41d88d55b2891203e98d1dc0acab949ffd0af078 (diff)
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: Christoph Hellwig <hch@lst.de> Acked-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/m32r/kernel/sys_m32r.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index 319c79720b8a..305ac852bbed 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -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)