RDMA/cxgb3: Fix deadlock in iw_cxgb3 (hang when configuring interface)

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / cxgb3 / iwch_provider.c

diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index ecff98043589c5e15646d28f028e81858d3a6562..160ef482712dea2a3b33a080d5cc721dbbb014dc 100644 (file)
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1102,9 +1102,7 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
        char *cp, *next;
        unsigned fw_maj, fw_min, fw_mic;
 
-       rtnl_lock();
        lldev->ethtool_ops->get_drvinfo(lldev, &info);
-       rtnl_unlock();
 
        next = info.fw_version + 1;
        cp = strsep(&next, ".");
@@ -1192,9 +1190,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, ch
        struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
        PDBG("%s dev 0x%p\n", __func__, dev);
-       rtnl_lock();
        lldev->ethtool_ops->get_drvinfo(lldev, &info);
-       rtnl_unlock();
        return sprintf(buf, "%s\n", info.fw_version);
 }
 
@@ -1207,9 +1203,7 @@ static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
        struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
        PDBG("%s dev 0x%p\n", __func__, dev);
-       rtnl_lock();
        lldev->ethtool_ops->get_drvinfo(lldev, &info);
-       rtnl_unlock();
        return sprintf(buf, "%s\n", info.driver);
 }