diff options
author | Krzysztof Adamski <k@japko.eu> | 2014-12-09 11:01:38 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-13 03:38:40 (GMT) |
commit | e2382233ad0251698ff7a1124cd330e5f6ecab8a (patch) | |
tree | 81a73e632bde0abf355da44e001614adb220dda3 | |
parent | ccc103f564d992bb3260a9195980b26098384943 (diff) | |
download | linux-e2382233ad0251698ff7a1124cd330e5f6ecab8a.tar.xz |
staging: vt6656: Use ether_addr_copy() on vnt_private members.
This patch fixes checkpatch.pl warning:
WARNING: Prefer ether_addr_copy() over memcpy() if the Ethernet
addresses are __aligned(2)
current_net_addr and permanent_net_addr members of vnt_private alignment
is changed to at last 16 bits so that ether_addr_copy can be safely used
on them.
buf->data is of type ieee80211_cts which is already properly aligned.
Signed-off-by: Krzysztof Adamski <k@japko.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/vt6656/device.h | 4 | ||||
-rw-r--r-- | drivers/staging/vt6656/main_usb.c | 3 | ||||
-rw-r--r-- | drivers/staging/vt6656/rxtx.c | 4 |
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 5a7ca52..4dcc67d 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -307,8 +307,8 @@ struct vnt_private { struct vnt_cmd_card_init init_command; struct vnt_rsp_card_init init_response; - u8 current_net_addr[ETH_ALEN]; - u8 permanent_net_addr[ETH_ALEN]; + u8 current_net_addr[ETH_ALEN] __aligned(2); + u8 permanent_net_addr[ETH_ALEN] __aligned(2); u8 exist_sw_net_addr; diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index b95d5b1..71adc1f 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -34,6 +34,7 @@ */ #undef __NO_VERSION__ +#include <linux/etherdevice.h> #include <linux/file.h> #include "device.h" #include "card.h" @@ -319,7 +320,7 @@ static int vnt_init_registers(struct vnt_private *priv) /* get permanent network address */ memcpy(priv->permanent_net_addr, init_rsp->net_addr, 6); - memcpy(priv->current_net_addr, priv->permanent_net_addr, ETH_ALEN); + ether_addr_copy(priv->current_net_addr, priv->permanent_net_addr); /* if exist SW network address, use it */ dev_dbg(&priv->usb->dev, "Network address = %pM\n", diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 280c923..75d2c5e 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -553,7 +553,7 @@ static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context, buf->data.frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); - memcpy(buf->data.ra, priv->current_net_addr, ETH_ALEN); + ether_addr_copy(buf->data.ra, priv->current_net_addr); return vnt_rxtx_datahead_g_fb(tx_context, &buf->data_head); } else { @@ -571,7 +571,7 @@ static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context, buf->data.frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); - memcpy(buf->data.ra, priv->current_net_addr, ETH_ALEN); + ether_addr_copy(buf->data.ra, priv->current_net_addr); return vnt_rxtx_datahead_g(tx_context, &buf->data_head); } |