Re: [PATCH] Add .set_antenna callback in ath6kl driver to remove wireless core warns

From: kbuild test robot
Date: Sat Jun 11 2016 - 16:36:26 EST


Hi,

[auto build test ERROR on ath6kl/ath-next]
[also build test ERROR on v4.7-rc2 next-20160609]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Prasun-Maiti/Add-set_antenna-callback-in-ath6kl-driver-to-remove-wireless-core-warns/20160608-202420
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath-next
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

drivers/net/wireless/ath/ath6kl/wmi.c: In function 'ath6kl_wmi_set_antenna':
>> drivers/net/wireless/ath/ath6kl/wmi.c:1618:6: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types]
cmd = (struct wmi_set_antenna_cmd *) skb->data;
^
drivers/net/wireless/ath/ath6kl/wmi.c:1619:5: error: 'struct wmi_txe_notify_cmd' has no member named 'tx_ant'
cmd->tx_ant = cpu_to_le32(tx_ant);
^~
drivers/net/wireless/ath/ath6kl/wmi.c:1620:5: error: 'struct wmi_txe_notify_cmd' has no member named 'rx_ant'
cmd->rx_ant = cpu_to_le32(rx_ant);
^~
cc1: some warnings being treated as errors

vim +1618 drivers/net/wireless/ath/ath6kl/wmi.c

1612 struct wmi_txe_notify_cmd *cmd;
1613
1614 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1615 if (!skb)
1616 return -ENOMEM;
1617
> 1618 cmd = (struct wmi_set_antenna_cmd *) skb->data;
1619 cmd->tx_ant = cpu_to_le32(tx_ant);
1620 cmd->rx_ant = cpu_to_le32(rx_ant);
1621

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