diff options
Diffstat (limited to 'UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c')
| -rw-r--r-- | UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c b/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c index da470a044a..64897723e5 100644 --- a/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c +++ b/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c @@ -135,7 +135,7 @@ CpuIoCheckParameter ( //
// Check to see if Width is in the valid range
//
- if (Width > SMM_IO_UINT64) {
+ if (Width < 0 || Width > SMM_IO_UINT64) {
return EFI_INVALID_PARAMETER;
}
|