From 801dba53fef8bfc2f1424c33914a41810594bde2 Mon Sep 17 00:00:00 2001 From: Andreas Noever Date: Fri, 20 Jun 2014 21:42:22 +0200 Subject: 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 --- drivers/thunderbolt/ctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/thunderbolt/ctl.c') diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index 4c6da92edcb..799634b382c 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"); -- cgit v1.2.3-70-g09d2