diff options
Diffstat (limited to 'fs/quota/quota.c')
| -rw-r--r-- | fs/quota/quota.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/quota/quota.c b/fs/quota/quota.c index dea86e8967e..ff3f0b3cfdb 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -117,6 +117,7 @@ static int quota_setinfo(struct super_block *sb, int type, void __user *addr) static void copy_to_if_dqblk(struct if_dqblk *dst, struct fs_disk_quota *src) { + memset(dst, 0, sizeof(*dst)); dst->dqb_bhardlimit = src->d_blk_hardlimit; dst->dqb_bsoftlimit = src->d_blk_softlimit; dst->dqb_curspace = src->d_bcount; @@ -277,6 +278,17 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id, return ret; } +static int quota_rmxquota(struct super_block *sb, void __user *addr) +{ + __u32 flags; + + if (copy_from_user(&flags, addr, sizeof(flags))) + return -EFAULT; + if (!sb->s_qcop->rm_xquota) + return -ENOSYS; + return sb->s_qcop->rm_xquota(sb, flags); +} + /* Copy parameters and call proper function */ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void __user *addr, struct path *path) @@ -315,8 +327,9 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, return sb->s_qcop->quota_sync(sb, type); case Q_XQUOTAON: case Q_XQUOTAOFF: - case Q_XQUOTARM: return quota_setxstate(sb, cmd, addr); + case Q_XQUOTARM: + return quota_rmxquota(sb, addr); case Q_XGETQSTAT: return quota_getxstate(sb, addr); case Q_XGETQSTATV: |