staging: unisys: clean up vmcall functions

Clean up the format of the vmcall functions in iovmcall_gnuc.h. These functions
are rewritten for clarity and to correct the indention, without changing any
functionality.
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/common-spar/include/iovmcall_gnuc.h

@@ -22,13 +22,11 @@ __unisys_vmcall_gnuc(unsigned long tuple, unsigned long reg_ebx,
 	unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
 
 	cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
-	if (cpuid_ecx & 0x80000000) {
+	if (!(cpuid_ecx & 0x80000000))
+		return -1;
+
 	__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
-				   "a"(tuple), "b"(reg_ebx), "c"(reg_ecx)
-				      );
-	} else {
-		result = -1;
-	}
+		"a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
 	return result;
 }
 
@@ -42,12 +40,10 @@ __unisys_extended_vmcall_gnuc(unsigned long long tuple,
 	unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
 
 	cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
-	if (cpuid_ecx & 0x80000000) {
+	if (!(cpuid_ecx & 0x80000000))
+		return -1;
+
 	__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
-				   "a"(tuple), "b"(reg_ebx), "c"(reg_ecx),
-				   "d"(reg_edx));
-	} else {
-		result = -1;
-	}
+		"a"(tuple), "b"(reg_ebx), "c"(reg_ecx), "d"(reg_edx));
 	return result;
-	}
+}