The grofs code for zoned RT subvolums already tries to check for zone alignment, but gets it wrong by using the old instead of the new mount structure.

Fixes: 01b71e64bb87 ("xfs: support growfs on zoned file systems") Signed-off-by: Christoph Hellwig hch@lst.de Reviewed-by: "Darrick J. Wong" djwong@kernel.org Cc: stable@vger.kernel.org # v6.15 --- fs/xfs/xfs_rtalloc.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 6907e871fa15..e063f4f2f2e6 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -1255,12 +1255,10 @@ xfs_growfs_check_rtgeom( min_logfsbs = min_t(xfs_extlen_t, xfs_log_calc_minimum_size(nmp), nmp->m_rsumblocks * 2);

- kfree(nmp); - trace_xfs_growfs_check_rtgeom(mp, min_logfsbs);

if (min_logfsbs > mp->m_sb.sb_logblocks) - return -EINVAL; + goto out_inval;

if (xfs_has_zoned(mp)) { uint32_t gblocks = mp->m_groups[XG_TYPE_RTG].blocks; @@ -1268,16 +1266,20 @@ xfs_growfs_check_rtgeom(

if (rextsize != 1) return -EINVAL; - div_u64_rem(mp->m_sb.sb_rblocks, gblocks, &rem); + div_u64_rem(nmp->m_sb.sb_rblocks, gblocks, &rem); if (rem) { xfs_warn(mp, "new RT volume size (%lld) not aligned to RT group size (%d)", - mp->m_sb.sb_rblocks, gblocks); - return -EINVAL; + nmp->m_sb.sb_rblocks, gblocks); + goto out_inval; } }

+ kfree(nmp); return 0; +out_inval: + kfree(nmp); + return -EINVAL; }

/*