Missing comparison != 0 leads to broken logic condition. Also replaced
CSUM_SEED feature_incompat check with predefined macro EXT4_HAS_INCOMPAT

Cc: Marvin Häuser <mhaeu...@posteo.de>
Cc: Pedro Falcato <pedro.falc...@gmail.com>
Cc: Vitaly Cheptsov <vit9...@protonmail.com>
Fixes: e55f0527dde48a5f139c1b8f35acc4e6b59dd794
Signed-off-by: Savva Mitrofanov <savva...@gmail.com>
---
 Features/Ext4Pkg/Ext4Dxe/Superblock.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Features/Ext4Pkg/Ext4Dxe/Superblock.c 
b/Features/Ext4Pkg/Ext4Dxe/Superblock.c
index edee051c41e8..4c662bd1784f 100644
--- a/Features/Ext4Pkg/Ext4Dxe/Superblock.c
+++ b/Features/Ext4Pkg/Ext4Dxe/Superblock.c
@@ -220,13 +220,11 @@ Ext4OpenSuperblock (
   }

 

   // At the time of writing, it's the only supported checksum.

-  if (Partition->FeaturesCompat & EXT4_FEATURE_RO_COMPAT_METADATA_CSUM &&

-      (Sb->s_checksum_type != EXT4_CHECKSUM_CRC32C))

-  {

+  if (EXT4_HAS_METADATA_CSUM (Partition) && (Sb->s_checksum_type != 
EXT4_CHECKSUM_CRC32C)) {

     return EFI_UNSUPPORTED;

   }

 

-  if ((Partition->FeaturesIncompat & EXT4_FEATURE_INCOMPAT_CSUM_SEED) != 0) {

+  if (EXT4_HAS_INCOMPAT (Partition, EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {

     Partition->InitialSeed = Sb->s_checksum_seed;

   } else {

     Partition->InitialSeed = Ext4CalculateChecksum (Partition, Sb->s_uuid, 16, 
~0U);

-- 
2.38.1



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