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-rw-r--r--sys/dev/mfi/mfi_syspd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/mfi/mfi_syspd.c b/sys/dev/mfi/mfi_syspd.c
index 739b86621962..e9587dd74d35 100644
--- a/sys/dev/mfi/mfi_syspd.c
+++ b/sys/dev/mfi/mfi_syspd.c
@@ -126,7 +126,8 @@ mfi_syspd_attach(device_t dev)
sectors / (1024 * 1024 / secsize), sectors, sc->pd_id);
sc->pd_disk = disk_alloc();
sc->pd_disk->d_drv1 = sc;
- sc->pd_disk->d_maxsize = sc->pd_controller->mfi_max_io * secsize;
+ sc->pd_disk->d_maxsize = min(sc->pd_controller->mfi_max_io * secsize,
+ (sc->pd_controller->mfi_max_sge - 1) * PAGE_SIZE);
sc->pd_disk->d_name = "mfisyspd";
sc->pd_disk->d_open = mfi_syspd_open;
sc->pd_disk->d_close = mfi_syspd_close;