mei: hbm: clean the feature flags on link reset

commit 37fd0b623023484ef6df79ed46f21f06ecc611ff upstream.

The list of supported functions can be altered upon link reset,
clean the flags to allow correct selections of supported
features.

Cc: <stable@vger.kernel.org> v4.19+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index e56f3e7..d39cc29 100644 (file)
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -986,29 +986,36 @@ static void mei_hbm_config_features(struct mei_device *dev)
            dev->version.minor_version >= HBM_MINOR_VERSION_PGI)
                dev->hbm_f_pg_supported = 1;
 
+       dev->hbm_f_dc_supported = 0;
        if (dev->version.major_version >= HBM_MAJOR_VERSION_DC)
                dev->hbm_f_dc_supported = 1;
 
+       dev->hbm_f_ie_supported = 0;
        if (dev->version.major_version >= HBM_MAJOR_VERSION_IE)
                dev->hbm_f_ie_supported = 1;
 
        /* disconnect on connect timeout instead of link reset */
+       dev->hbm_f_dot_supported = 0;
        if (dev->version.major_version >= HBM_MAJOR_VERSION_DOT)
                dev->hbm_f_dot_supported = 1;
 
        /* Notification Event Support */
+       dev->hbm_f_ev_supported = 0;
        if (dev->version.major_version >= HBM_MAJOR_VERSION_EV)
                dev->hbm_f_ev_supported = 1;
 
        /* Fixed Address Client Support */
+       dev->hbm_f_fa_supported = 0;
        if (dev->version.major_version >= HBM_MAJOR_VERSION_FA)
                dev->hbm_f_fa_supported = 1;
 
        /* OS ver message Support */
+       dev->hbm_f_os_supported = 0;
        if (dev->version.major_version >= HBM_MAJOR_VERSION_OS)
                dev->hbm_f_os_supported = 1;
 
        /* DMA Ring Support */
+       dev->hbm_f_dr_supported = 0;
        if (dev->version.major_version > HBM_MAJOR_VERSION_DR ||
            (dev->version.major_version == HBM_MAJOR_VERSION_DR &&
             dev->version.minor_version >= HBM_MINOR_VERSION_DR))