1 files changed, 5 insertions, 4 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 7265a0367476..80928f716850 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -143,9 +143,10 @@ int ext4_superblock_csum_verify(struct super_block *sb,
         return es->s_checksum == ext4_superblock_csum(sb, es);
 }
 
-void ext4_superblock_csum_set(struct super_block *sb,
-                              struct ext4_super_block *es)
+void ext4_superblock_csum_set(struct super_block *sb)
 {
+        struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+
         if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
                 return;
@@ -1963,7 +1964,7 @@ static int ext4_fill_flex_info(struct super_block *sb)
                 sbi->s_log_groups_per_flex = 0;
                 return 1;
         }
-        groups_per_flex = 1 << sbi->s_log_groups_per_flex;
+        groups_per_flex = 1U << sbi->s_log_groups_per_flex;
 
         err = ext4_alloc_flex_bg_array(sb, sbi->s_groups_count);
         if (err)
@@ -4381,7 +4382,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
                 cpu_to_le32(percpu_counter_sum_positive(
                                 &EXT4_SB(sb)->s_freeinodes_counter));
         BUFFER_TRACE(sbh, "marking dirty");
-        ext4_superblock_csum_set(sb, es);
+        ext4_superblock_csum_set(sb);
         mark_buffer_dirty(sbh);
         if (sync) {
                 error = sync_dirty_buffer(sbh);