IB/core: Fix reading capability mask of the port info class

When checking specific attribute from a bit mask, need to use bitwise
AND and not logical AND, fixed that.

Fixes: 145d9c541032 ('IB/core: Display extended counter set if
available')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index ec46386..14606af 100644 (file)
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -720,12 +720,11 @@ static struct attribute_group *get_counter_table(struct ib_device *dev,
 
        if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO,
                                &cpi, 40, sizeof(cpi)) >= 0) {
-
-               if (cpi.capability_mask && IB_PMA_CLASS_CAP_EXT_WIDTH)
+               if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH)
                        /* We have extended counters */
                        return &pma_group_ext;
 
-               if (cpi.capability_mask && IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF)
+               if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF)
                        /* But not the IETF ones */
                        return &pma_group_noietf;
        }