linux-kernel - [PATCH 4/4] firewire: core: remove condition which is always false

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Date:	Sat, 17 Jan 2009 22:47:58 +0100 (CET)
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	linux1394-devel@...ts.sourceforge.net
cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] firewire: core: remove condition which is always false

reread_bus_info_block() only gets to see devices whose config_rom_length
is at least 6 (ROM header, bus info block, root directory header).

Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
---
 drivers/firewire/fw-device.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/drivers/firewire/fw-device.c
===================================================================
--- linux.orig/drivers/firewire/fw-device.c
+++ linux/drivers/firewire/fw-device.c
@@ -887,15 +887,15 @@ static int reread_bus_info_block(struct 
 	for (i = 0; i < 6; i++) {
 		if (read_rom(device, generation, i, &q) != RCODE_COMPLETE)
 			return REREAD_BIB_ERROR;
 
 		if (i == 0 && q == 0)
 			return REREAD_BIB_GONE;
 
-		if (i > device->config_rom_length || q != device->config_rom[i])
+		if (q != device->config_rom[i])
 			return REREAD_BIB_CHANGED;
 	}
 
 	return REREAD_BIB_UNCHANGED;
 }
 
 static void fw_device_refresh(struct work_struct *work)

-- 
Stefan Richter
-=====-==--= ---= =---=
http://arcgraph.de/sr/

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