1 files changed, 0 insertions, 55 deletions
diff --git a/arch/um/drivers/slip_common.c b/arch/um/drivers/slip_common.c
deleted file mode 100644
index 20fe4f42743d..000000000000
--- a/arch/um/drivers/slip_common.c
+++ /dev/null
@@ -1,55 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <string.h>
-#include "slip_common.h"
-#include <net_user.h>
-
-int slip_proto_read(int fd, void *buf, int len, struct slip_proto *slip)
-{
-	int i, n, size, start;
-
-	if(slip->more > 0){
-		i = 0;
-		while(i < slip->more){
-			size = slip_unesc(slip->ibuf[i++], slip->ibuf,
-					  &slip->pos, &slip->esc);
-			if(size){
-				memcpy(buf, slip->ibuf, size);
-				memmove(slip->ibuf, &slip->ibuf[i],
-					slip->more - i);
-				slip->more = slip->more - i;
-				return size;
-			}
-		}
-		slip->more = 0;
-	}
-
-	n = net_read(fd, &slip->ibuf[slip->pos],
-		     sizeof(slip->ibuf) - slip->pos);
-	if(n <= 0)
-		return n;
-
-	start = slip->pos;
-	for(i = 0; i < n; i++){
-		size = slip_unesc(slip->ibuf[start + i], slip->ibuf,&slip->pos,
-				  &slip->esc);
-		if(size){
-			memcpy(buf, slip->ibuf, size);
-			memmove(slip->ibuf, &slip->ibuf[start+i+1],
-				n - (i + 1));
-			slip->more = n - (i + 1);
-			return size;
-		}
-	}
-	return 0;
-}
-
-int slip_proto_write(int fd, void *buf, int len, struct slip_proto *slip)
-{
-	int actual, n;
-
-	actual = slip_esc(buf, slip->obuf, len);
-	n = net_write(fd, slip->obuf, actual);
-	if(n < 0)
-		return n;
-	else return len;
-}