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Commit e048d004 authored by Catalin Marinas's avatar Catalin Marinas
Browse files

arm64: Use the generic compat_sys_sendfile() implementation 



The generic implementation of compat_sys_sendfile() has been introduced
by commit 8f9c0119. This patch removes the arm64 implementation in
favour of the generic one.

Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 27222a3d

arch/arm64/include/asm/unistd32.h

+1 −0
Original line number Diff line number Diff line
@@ -752,3 +752,4 @@ __SYSCALL(__NR_syncfs, sys_syncfs) 
#define __ARCH_WANT_SYS_SIGPENDING

#define __ARCH_WANT_SYS_SIGPROCMASK

#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND

#define __ARCH_WANT_COMPAT_SYS_SENDFILE

arch/arm64/kernel/sys_compat.c

+0 −20
Original line number Diff line number Diff line
@@ -84,26 +84,6 @@ asmlinkage int compat_sys_sched_rr_get_interval(compat_pid_t pid, 
	return ret;

}



asmlinkage int compat_sys_sendfile(int out_fd, int in_fd,

				   compat_off_t __user *offset, s32 count)

{

	mm_segment_t old_fs = get_fs();

	int ret;

	off_t of;



	if (offset && get_user(of, offset))

		return -EFAULT;



	set_fs(KERNEL_DS);

	ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL,

			   count);

	set_fs(old_fs);



	if (offset && put_user(of, offset))

		return -EFAULT;

	return ret;

}



static inline void

do_compat_cache_op(unsigned long start, unsigned long end, int flags)

{