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Subject[PATCH] [SCSI] LIBSAS: fix libsas link error issue
Date
From: Xiangliang Yu <yuxiangl@marvell.com>

-- The value of child link rate should is minimum of link rate, or
command will fail if child link rate is bigger than parent link rate.

Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
---
drivers/scsi/libsas/sas_expander.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 874e29d..6ccca09 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -638,7 +638,7 @@ static void sas_ex_get_linkrate(struct domain_device *parent,
sas_port_add_phy(port, phy->phy);
}
}
- child->linkrate = min(parent_phy->linkrate, child->max_linkrate);
+ child->linkrate = min(parent_phy->linkrate, child->min_linkrate);
child->pathways = min(child->pathways, parent->pathways);
}

--
1.7.5.4


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