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iwlwifi: warn if firmware image doesn't exist

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If the firmware image that we attempt to load doesn't
actually exist we have a broken firmware file or other
code not checking things correctly, so warn in such a
case. Also avoid assigning cur_ucode/ucode_loaded then.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Johannes Berg 2013-10-25 12:32:51 +02:00 committed by Emmanuel Grumbach
parent cbb346f2fc
commit befe9b6fd8
2 changed files with 7 additions and 10 deletions
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9
drivers/net/wireless/iwlwifi/dvm/ucode.c
View File

@ -330,15 +330,14 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
enum iwl_ucode_type old_type;
static const u8 alive_cmd[] = { REPLY_ALIVE };
fw = iwl_get_ucode_image(priv, ucode_type);
if (WARN_ON(!fw))
return -EINVAL;
old_type = priv->cur_ucode;
priv->cur_ucode = ucode_type;
fw = iwl_get_ucode_image(priv, ucode_type);
priv->ucode_loaded = false;
if (!fw)
return -EINVAL;
iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
alive_cmd, ARRAY_SIZE(alive_cmd),
iwl_alive_fn, &alive_data);

8
drivers/net/wireless/iwlwifi/mvm/fw.c
View File

@ -151,13 +151,11 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
enum iwl_ucode_type old_type = mvm->cur_ucode;
static const u8 alive_cmd[] = { MVM_ALIVE };
mvm->cur_ucode = ucode_type;
fw = iwl_get_ucode_image(mvm, ucode_type);
mvm->ucode_loaded = false;
if (!fw)
if (WARN_ON(!fw))
return -EINVAL;
mvm->cur_ucode = ucode_type;
mvm->ucode_loaded = false;
iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
alive_cmd, ARRAY_SIZE(alive_cmd),