staging: unisys: iovmcall_gnuc.h change -1 return values
This patch changes the vague -1 return values to -EPERM. This operation is not supported is a good alternative to -1 because the return is basically telling the caller that the processor doesn't support vmcall operations. Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
119296eaa8
commit
35b2141556
|
@ -22,7 +22,7 @@ __unisys_vmcall_gnuc(unsigned long tuple, unsigned long reg_ebx,
|
||||||
|
|
||||||
cpuid(0x00000001, &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;
|
return -EPERM;
|
||||||
|
|
||||||
__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
|
__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
|
||||||
"a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
|
"a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
|
||||||
|
@ -40,7 +40,7 @@ __unisys_extended_vmcall_gnuc(unsigned long long tuple,
|
||||||
|
|
||||||
cpuid(0x00000001, &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;
|
return -EPERM;
|
||||||
|
|
||||||
__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
|
__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
|
||||||
"a"(tuple), "b"(reg_ebx), "c"(reg_ecx), "d"(reg_edx));
|
"a"(tuple), "b"(reg_ebx), "c"(reg_ecx), "d"(reg_edx));
|
||||||
|
|
Loading…
Reference in a new issue