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UefiPayloadPkg: Fix Coverity report defect 

https://bugzilla.tianocore.org/show_bug.cgi?id=4018
Coverity report FORWARD_NULL and OVERFLOW_BEFORE_WIDEN potential defect
in UefiPayloadPkg.

Signed-off-by: Gregx Yeh <gregx.yeh@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>
Reviewed-by: James Lu <james.lu@intel.com>
This commit is contained in:
James Lu 2022-08-23 11:13:55 +08:00 committed by mergify[bot]
parent f2bf043aaa
commit dfdba857a6
3 changed files with 5 additions and 5 deletions
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4
UefiPayloadPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
View File

@ -232,11 +232,11 @@ PciHostBridgeFreeRootBridges (
UINTN Count
)
{
if ((Bridges == NULL) && (Count == 0)) {
if ((Bridges == NULL) || (Count == 0)) {
return;
}
ASSERT (Bridges != NULL && Count > 0);
ASSERT (Bridges != NULL || Count > 0);
do {
--Count;

2
UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLib.c
View File

@ -149,7 +149,7 @@ CalculateElfFileSize (
FileSize2 = Elf32Hdr->e_shoff + Elf32Hdr->e_shentsize * Elf32Hdr->e_shnum;
} else if (ElfCt->EiClass == ELFCLASS64) {
Elf64Hdr = (Elf64_Ehdr *)ElfCt->FileBase;
FileSize2 = (UINTN)(Elf64Hdr->e_shoff + Elf64Hdr->e_shentsize * Elf64Hdr->e_shnum);
FileSize2 = ((UINTN)Elf64Hdr->e_shoff + (UINTN)(Elf64Hdr->e_shentsize * Elf64Hdr->e_shnum));
}
*FileSize = MAX (FileSize1, FileSize2);

4
UefiPayloadPkg/UefiPayloadEntry/X64/VirtualMemory.c
View File

@ -778,9 +778,9 @@ CreateIdentityMappingPageTables (
// Pre-allocate big pages to avoid later allocations.
//
if (!Page1GSupport) {
TotalPagesNum = ((NumberOfPdpEntriesNeeded + 1) * NumberOfPml4EntriesNeeded + 1) * NumberOfPml5EntriesNeeded + 1;
TotalPagesNum = (UINTN)((NumberOfPdpEntriesNeeded + 1) * NumberOfPml4EntriesNeeded + 1) * NumberOfPml5EntriesNeeded + 1;
} else {
TotalPagesNum = (NumberOfPml4EntriesNeeded + 1) * NumberOfPml5EntriesNeeded + 1;
TotalPagesNum = (UINTN)(NumberOfPml4EntriesNeeded + 1) * NumberOfPml5EntriesNeeded + 1;
}
//