diff options
| -rw-r--r-- | drivers/firewire/fw-ohci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index b941239671d..2229ea0b630 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -1257,7 +1257,13 @@ static int handle_ir_dualbuffer_packet(struct context *context, p = db + 1; end = p + header_length; while (p < end && i + ctx->base.header_size <= PAGE_SIZE) { - memcpy(ctx->header + i, p + 4, ctx->base.header_size); + /* The iso header is byteswapped to little endian by + * the controller, but the remaining header quadlets + * are big endian. We want to present all the headers + * as big endian, so we have to swap the first + * quadlet. */ + *(u32 *) (ctx->header + i) = __swab32(*(u32 *) (p + 4)); + memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4); i += ctx->base.header_size; p += ctx->base.header_size + 4; } |