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-rw-r--r--ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib.c b/ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib.c
index 5f453d18e4..31672ae5cf 100644
--- a/ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib.c
+++ b/ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib.c
@@ -101,7 +101,7 @@ SendMemoryPermissionRequest (
}
// Check error response from Callee.
- if (*RetVal & BIT31) {
+ if ((*RetVal & BIT31) != 0) {
// Bit 31 set means there is an error retured
// See [1], Section 13.5.5.1 MM_SP_MEMORY_ATTRIBUTES_GET_AARCH64 and
// Section 13.5.5.2 MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.