linux-ext4 - Re: [PATCH] avoid NULL deference in ext2_xattr

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Message-ID: <20100710092151.GS19184@bicker>
Date:	Sat, 10 Jul 2010 11:21:52 +0200
From:	Dan Carpenter <error27@...il.com>
To:	shenghui <crosslonelyover@...il.com>
Cc:	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] avoid NULL deference in ext2_xattr_get


Another way to fix this would be to say:

   	ea_idebug(inode, "name=%d.%s, buffer=%p, buffer_size=%ld",
-  		  name_index, name, buffer, (long)buffer_size);
+  		  name_index, name ?: "(null)", buffer, (long)buffer_size);

That would help for debugging.

regards,
dan carpenter


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