Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=15536221d1f09ae7707f70a183045ee20d8bcf17
Commit: 15536221d1f09ae7707f70a183045ee20d8bcf17
Parent: 8a2f7d932fc6a4881ff837738e23b41a1c228338
Author: Kristian Høgsberg <[EMAIL PROTECTED]>
AuthorDate: Tue Apr 10 18:11:16 2007 -0400
Committer: Stefan Richter <[EMAIL PROTECTED]>
CommitDate: Thu Apr 12 00:18:57 2007 +0200
firewire: Byteswap iso header so all headers are presented as be32.
Signed-off-by: Kristian Høgsberg <[EMAIL PROTECTED]>
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
---
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 b941239..2229ea0 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;
}
-
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