From: Andreas Noever Date: Fri, 20 Jun 2014 19:42:22 +0000 (+0200) Subject: thunderbolt: Add casts to prevent endianness warnings X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=801dba53fef8bfc2f1424c33914a41810594bde2;p=linux-beck.git 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 Signed-off-by: Andreas Noever Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index 4c6da92edcb4..799634b382c6 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -355,7 +355,7 @@ static int tb_ctl_tx(struct tb_ctl *ctl, void *data, size_t len, 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 @@ static void tb_ctl_rx_callback(struct tb_ring *ring, struct ring_frame *frame, } 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");