iwlwifi: mvm: set SKIP_OVER_DTIM flag only if needed

setting SKIP_OVER_DTIM when skip_dtim_periods is 0
causes a ucode assert. set the flag only if needed.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index fc178d01a8cf..2e99dddc1e00 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -902,9 +902,10 @@ int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
                 if (WARN_ON(!dtimper_msec))
                         return 0;
 
-                cmd.flags |=
-                        cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
                 cmd.skip_dtim_periods = 300 / dtimper_msec;
+                if (cmd.skip_dtim_periods)
+                        cmd.flags |=
+                                cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
         }
         iwl_mvm_power_log(mvm, &cmd);
 #ifdef CONFIG_IWLWIFI_DEBUGFS