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ext2: remove redundant condition check

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ext2_xattr_destroy_cache() can handle NULL pointer correctly,
so there is no need to check NULL pointer before calling
ext2_xattr_destroy_cache().

Signed-off-by: Chengguang Xu <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
This commit is contained in:
Chengguang Xu 2018-11-14 07:23:53 +08:00 • committed by Jan Kara
commit 569ae92094
1 changed files with 4 additions and 6 deletions
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10
fs/ext2/super.c
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@ -148,10 +148,9 @@ static void ext2_put_super (struct super_block * sb)
ext2_quota_off_umount(sb);
if (sbi->s_ea_block_cache) {
ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
sbi->s_ea_block_cache = NULL;
}
ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
sbi->s_ea_block_cache = NULL;
if (!sb_rdonly(sb)) {
struct ext2_super_block *es = sbi->s_es;
@ -1197,8 +1196,7 @@ cantfind_ext2:
sb->s_id);
goto failed_mount;
failed_mount3:
if (sbi->s_ea_block_cache)
ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
ext2_xattr_destroy_cache(sbi->s_ea_block_cache);
percpu_counter_destroy(&sbi->s_freeblocks_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);