diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/super.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 1b55f234e006..72e4dfc9acaf 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2636,8 +2636,10 @@ static void ext4_apply_quota_options(struct fs_context *fc, qname = ctx->s_qf_names[i]; /* May be NULL */ ctx->s_qf_names[i] = NULL; - kfree(sbi->s_qf_names[i]); - rcu_assign_pointer(sbi->s_qf_names[i], qname); + qname = rcu_replace_pointer(sbi->s_qf_names[i], qname, + lockdep_is_held(&sb->s_umount)); + if (qname) + kfree_rcu(qname); set_opt(sb, QUOTA); } } @@ -2691,7 +2693,7 @@ static int ext4_check_quota_consistency(struct fs_context *fc, goto err_jquota_change; if (sbi->s_qf_names[i] && ctx->s_qf_names[i] && - strcmp(sbi->s_qf_names[i], + strcmp(get_qf_name(sb, sbi, i), ctx->s_qf_names[i]) != 0) goto err_jquota_specified; } |