thunderbolt: Add casts to prevent endianness warnings
Thunderbolt packets are big endian. Cast pkg->buffer to __be32* when
accessing the checksum.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 4c6da92..799634b 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -355,7 +355,7 @@
pkg->frame.sof = type;
pkg->frame.eof = type;
cpu_to_be32_array(pkg->buffer, data, len / 4);
- *(u32 *) (pkg->buffer + len) = tb_crc(pkg->buffer, len);
+ *(__be32 *) (pkg->buffer + len) = tb_crc(pkg->buffer, len);
res = ring_tx(ctl->tx, &pkg->frame);
if (res) /* ring is stopped */
@@ -412,7 +412,7 @@
}
frame->size -= 4; /* remove checksum */
- if (*(u32 *) (pkg->buffer + frame->size)
+ if (*(__be32 *) (pkg->buffer + frame->size)
!= tb_crc(pkg->buffer, frame->size)) {
tb_ctl_err(pkg->ctl,
"RX: checksum mismatch, dropping packet\n");