On Wed, Jan 20, 2016 at 05:43:48PM -0600, Eric Sandeen wrote:
> Quota IDs are unsigned, and so we can pass in values up
> to 2^32-1. But if we try to initialize a block containing
> values over MAX_INT, curid will overflow and assert.
>
> curid holds a quota ID, so give it the proper
> xfs_dqid_t type (and remove the now-impossible ASSERT).
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
>
> diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
> index 83ce4aa..5d92bb5 100644
> --- a/fs/xfs/xfs_dquot.c
> +++ b/fs/xfs/xfs_dquot.c
> @@ -232,7 +232,8 @@ xfs_qm_init_dquot_blk(
> {
> struct xfs_quotainfo *q = mp->m_quotainfo;
> xfs_dqblk_t *d;
> - int curid, i;
> + xfs_dqid_t curid;
> + int i;
>
> ASSERT(tp);
> ASSERT(xfs_buf_islocked(bp));
> @@ -243,7 +244,6 @@ xfs_qm_init_dquot_blk(
> * ID of the first dquot in the block - id's are zero based.
> */
> curid = id - (id % q->qi_dqperchunk);
> - ASSERT(curid >= 0);
> memset(d, 0, BBTOB(q->qi_dqchunklen));
> for (i = 0; i < q->qi_dqperchunk; i++, d++, curid++) {
> d->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
>
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