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From: Jody McIntyre <scjody@steamballoon.com>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Adrian Bunk <bunk@stusta.de>,
	bcollins@debian.org, linux1394-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [2.6 patch] drivers/ieee1394/csr1212.c: remove dead code
Date: Mon, 21 Nov 2005 16:41:30 -0500	[thread overview]
Message-ID: <20051121214130.GL20781@conscoop.ottawa.on.ca> (raw)
In-Reply-To: <438223D9.8010504@s5r6.in-berlin.de>

On Mon, Nov 21, 2005 at 08:45:29PM +0100, Stefan Richter wrote:

> Or for better yet, we should use _csr1212_read_keyval() instead so that 
> we get more sensible error codes.

Good idea.  How about:


csr1212: check results of keyval reads

csr1212_parse_csr() did not properly check return values when reading
keyvals.  Fix this by using _csr1212_read_keyval() instead of
csr1212_get_keyval() and checking the return code.

Signed-off-by: Jody McIntyre <scjody@steamballoon.com>

Index: linux/drivers/ieee1394/csr1212.c
===================================================================
--- linux.orig/drivers/ieee1394/csr1212.c
+++ linux/drivers/ieee1394/csr1212.c
@@ -1610,16 +1610,16 @@ int csr1212_parse_csr(struct csr1212_csr
 	csr->root_kv->valid = 0;
 	csr->root_kv->next = csr->root_kv;
 	csr->root_kv->prev = csr->root_kv;
-	csr1212_get_keyval(csr, csr->root_kv);
+	if (_csr1212_read_keyval(csr, csr->root_kv) != CSR1212_SUCCESS)
+		return ret;
 
 	/* Scan through the Root directory finding all extended ROM regions
 	 * and make cache regions for them */
 	for (dentry = csr->root_kv->value.directory.dentries_head;
 	     dentry; dentry = dentry->next) {
 		if (dentry->kv->key.id == CSR1212_KV_ID_EXTENDED_ROM) {
-			csr1212_get_keyval(csr, dentry->kv);
-
-			if (ret != CSR1212_SUCCESS)
+			if (_csr1212_read_keyval(csr, dentry->kv) !=
+						CSR1212_SUCCESS)
 				return ret;
 		}
 	}

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

  reply	other threads:[~2005-11-21 21:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-20 23:10 Adrian Bunk
2005-11-21 19:45 ` Stefan Richter
2005-11-21 21:41   ` Jody McIntyre [this message]
2005-11-21 22:02     ` Stefan Richter
2005-11-21 22:23       ` Jody McIntyre
2005-11-21 22:24       ` [PATCH 1/2] csr1212: check results of keyval reads Jody McIntyre
2005-11-21 22:28       ` [PATCH 2/2] csr1212: add check for !valid Jody McIntyre

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