diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index 7cd0369e02b3b82970727bec506038ecb3cfd00c..79cd93c8c5ed62d08ebe0d1d99461e4f98105f1c 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -34,27 +34,27 @@ void init_thread_registers(union uml_pt_regs *to)
 int save_fp_registers(int pid, unsigned long *fp_regs)
 {
 	if(ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0)
-		return(-errno);
-	return(0);
+		return -errno;
+	return 0;
 }
 
 int restore_fp_registers(int pid, unsigned long *fp_regs)
 {
 	if(ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0)
-		return(-errno);
-	return(0);
+		return -errno;
+	return 0;
 }
 
 static int move_registers(int pid, int int_op, union uml_pt_regs *regs,
 			  int fp_op, unsigned long *fp_regs)
 {
 	if(ptrace(int_op, pid, 0, regs->skas.regs) < 0)
-		return(-errno);
+		return -errno;
 
 	if(ptrace(fp_op, pid, 0, fp_regs) < 0)
-		return(-errno);
+		return -errno;
 
-	return(0);
+	return 0;
 }
 
 void save_registers(int pid, union uml_pt_regs *regs)
diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c
index cb8e8a2632803c75d1c90db8b0b73cbbc86b6d07..a2d7e0c603f798efe99beb39da79b35f3ca9199e 100644
--- a/arch/um/os-Linux/sys-x86_64/registers.c
+++ b/arch/um/os-Linux/sys-x86_64/registers.c
@@ -27,12 +27,12 @@ static int move_registers(int pid, int int_op, int fp_op,
 			  union uml_pt_regs *regs)
 {
 	if(ptrace(int_op, pid, 0, regs->skas.regs) < 0)
-		return(-errno);
+		return -errno;
 
 	if(ptrace(fp_op, pid, 0, regs->skas.fp) < 0)
-		return(-errno);
+		return -errno;
 
-	return(0);
+	return 0;
 }
 
 void save_registers(int pid, union uml_pt_regs *regs)