staging: rtl8712: Merge memcpy + be16_to_cpus to get_unaligned_be16

Merge the combo of memcpy and be16_to_cpus.
Use get_unaligned_be16 instead.
This simplifies the code.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Link: https://lore.kernel.org/r/20190719070921.27749-1-hslester96@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c
index 5298fe6..9969e52 100644 (file)
--- a/drivers/staging/rtl8712/rtl871x_recv.c
+++ b/drivers/staging/rtl8712/rtl871x_recv.c
@@ -245,8 +245,7 @@ union recv_frame *r8712_portctrl(struct _adapter *adapter,
        if (auth_alg == 2) {
                /* get ether_type */
                ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE;
-               memcpy(&ether_type, ptr, 2);
-               be16_to_cpus(&ether_type);
+               ether_type = get_unaligned_be16(ptr);
 
                if ((psta != NULL) && (psta->ieee8021x_blocked)) {
                        /* blocked