md: Return proper err if d_path error in get_bitmap_file.

PATCH majianpeng 1 participant 1 message Feb 29, 2012 MD RAID

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majianpeng

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2012-02-29 01:47 UTC #0 lore raw

From dd2c011a73a97b169e81bb6b8fc1b141a3812368 Mon Sep 17 00:00:00 2001
From: majianpeng <[email protected]>
Date: Wed, 29 Feb 2012 09:32:29 +0800
Subject: [PATCH] md: Return proper err if d_path error in get_bitmap_file.

Signed-off-by majianpeng <[email protected]>

---
 drivers/md/md.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

drivers/md/md.c +3 -1

index ce88755..f2085ee 100644
@@ -5427,8 +5427,10 @@ static int get_bitmap_file(struct mddev * mddev, void __user * arg)
 		goto out;
 
 	ptr = d_path(&mddev->bitmap->file->f_path, buf, sizeof(file->pathname));
-	if (IS_ERR(ptr))
+	if (IS_ERR(ptr)) {
+		err = PTR_ERR(ptr);
 		goto out;
+	}
 
 	strcpy(file->pathname, ptr);

Signature · 6 lines

1.7.5.4

 				
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majianpeng
2012-02-29