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* [patch] ext4: checking NULL instead of ERR_PTR
@ 2010-08-26  9:16 Dan Carpenter
  2010-12-30  3:55 ` Ted Ts'o
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2010-08-26  9:16 UTC (permalink / raw)
  To: Theodore Ts'o
  Cc: Andreas Dilger, Jan Kara, Christoph Hellwig, Eric Sandeen,
	Dmitry Monakhov, linux-ext4, kernel-janitors

d_path() returns an ERR_PTR and it doesn't return NULL.  This is in
ext4_error_file() and no one actually calls ext4_error_file().

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 2614774..efaa27e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -429,7 +429,7 @@ void ext4_error_file(struct file *file, const char *function,
 	save_error_info(inode->i_sb, function, line);
 	va_start(args, fmt);
 	path = d_path(&(file->f_path), pathname, sizeof(pathname));
-	if (!path)
+	if (IS_ERR(path))
 		path = "(unknown)";
 	printk(KERN_CRIT
 	       "EXT4-fs error (device %s): %s:%d: inode #%lu "

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] ext4: checking NULL instead of ERR_PTR
  2010-08-26  9:16 [patch] ext4: checking NULL instead of ERR_PTR Dan Carpenter
@ 2010-12-30  3:55 ` Ted Ts'o
  0 siblings, 0 replies; 2+ messages in thread
From: Ted Ts'o @ 2010-12-30  3:55 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Andreas Dilger, Jan Kara, Christoph Hellwig, Eric Sandeen,
	Dmitry Monakhov, linux-ext4, kernel-janitors

On Thu, Aug 26, 2010 at 11:16:54AM +0200, Dan Carpenter wrote:
> d_path() returns an ERR_PTR and it doesn't return NULL.  This is in
> ext4_error_file() and no one actually calls ext4_error_file().
> 
> Signed-off-by: Dan Carpenter <error27@gmail.com>

Thanks, I've added this to the ext4 patch tree.

	     	   	       	    	  - Ted

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-08-26  9:16 [patch] ext4: checking NULL instead of ERR_PTR Dan Carpenter
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