From: Eyal Shapira <eyal@wizery.com>
Date: Sun, 19 Oct 2014 11:56:40 +0000 (+0300)
Subject: iwlwifi: mvm: handle error from iwl_trans_update_sf
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=82e8aea03f2f5dd2bc5c7e68dc2647b7c6cb4dd7;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

iwlwifi: mvm: handle error from iwl_trans_update_sf

iwl_trans_update_sf can fail and this wasn't handled.
Fix this.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---

diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index e0d9f19650b0..8c96e5af75f7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -227,6 +227,10 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 	st_fwrd_space.addr = mvm->sf_space.addr;
 	st_fwrd_space.size = mvm->sf_space.size;
 	ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
+	if (ret) {
+		IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
+		return ret;
+	}
 
 	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);