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: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 3ba1f1a..ba42d41 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -752,3 +752,4 @@
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_COMPAT_SYS_SENDFILE
diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c
index 967e92f..93f10e2 100644
--- a/arch/arm64/kernel/sys_compat.c
+++ b/arch/arm64/kernel/sys_compat.c
@@ -84,26 +84,6 @@
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)
{