(Adding Luca and linux-wireless)
Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> writes:
> Today's linux-next merge of the wireless-drivers-next tree got a
> conflict in:
>
> drivers/net/wireless/intel/iwlwifi/mvm/tx.c
>
> between commit:
>
> 909b27f70643 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net")
>
> from the net-next tree and commit:
>
> a525d0eab17d ("Merge tag 'iwlwifi-for-kalle-2016-05-04' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes")
>
> from the wireless-drivers-next tree.
>
> I fixed it up (I think that the net-next tree merge lost the changes
> to iwl_mvm_set_tx_cmd() associated with commit 5c08b0f5026f ("iwlwifi:
> mvm: don't override the rate with the AMSDU len")) and can carry the
> fix as necessary.
Hmm, I'm starting to suspect something is wrong. I did a test merge of
net-next and wireless-drivers-next and got this as a diff after the
merge:
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -211,7 +211,6 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info, u8 sta_id)
{
- struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags);
@@ -295,7 +294,7 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
tx_cmd->tx_flags = cpu_to_le32(tx_flags);
/* Total # bytes to be transmitted */
tx_cmd->len = cpu_to_le16((u16)skb->len +
- (uintptr_t)skb_info->driver_data[0]);
+ (uintptr_t)info->driver_data[0]);
tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
tx_cmd->sta_id = sta_id;
But commit 5c08b0f5026f ("iwlwifi: mvm: don't override the rate with the
AMSDU len") specifically added skb_info variable to that function:
@@ -105,6 +105,7 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info, u8 sta_id)
{
+ struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags);
@@ -185,7 +186,7 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
tx_cmd->tx_flags = cpu_to_le32(tx_flags);
/* Total # bytes to be transmitted */
tx_cmd->len = cpu_to_le16((u16)skb->len +
- (uintptr_t)info->driver_data[0]);
+ (uintptr_t)skb_info->driver_data[0]);
tx_cmd->next_frame_len = 0;
tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
tx_cmd->sta_id = sta_id;
I wasn't expecting that skb_info variable is removed. Do we now have
merge damage somewhere? Luca, what do you think?
--
Kalle Valo
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