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Date: Sun, 21 Oct 2007 11:20:07 +0200 (CEST)
From: Stefan Richter <stefanr@...6.in-berlin.de>
To: linux1394-devel@...ts.sourceforge.net
cc: linux-kernel@...r.kernel.org
Subject: [PATCH] firewire: fw-ohci: shut up a superfluous compiler warning
New warning since commit ab88ca488b8af66c3defa165874e81e695319a19,
"firewire: fw-ohci: missing dma_unmap_single":
drivers/firewire/fw-ohci.c: In function 'at_context_transmit':
drivers/firewire/fw-ohci.c:609: warning: 'payload_bus' may be used
uninitialized in this function
Access to payload_bus is conditional on packet->payload_length > 0,
and that won't change while in at_context_queue_packet.
Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
---
drivers/firewire/fw-ohci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/drivers/firewire/fw-ohci.c
===================================================================
--- linux.orig/drivers/firewire/fw-ohci.c
+++ linux/drivers/firewire/fw-ohci.c
@@ -606,7 +606,7 @@ static int
at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
{
struct fw_ohci *ohci = ctx->ohci;
- dma_addr_t d_bus, payload_bus;
+ dma_addr_t d_bus, uninitialized_var(payload_bus);
struct driver_data *driver_data;
struct descriptor *d, *last;
__le32 *header;
--
Stefan Richter
-=====-=-=== =-=- =-=-=
http://arcgraph.de/sr/
-
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