Re: [PATCH] hfsplus: don't oops on bad FS

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On 25 Apr 2005 at 21h04, Christoph Hellwig wrote:

Hi, 

> On Mon, Apr 25, 2005 at 10:03:45PM +0200, Colin Leroy wrote:
> 
> absolutely no need to cast here.

Third update then :-)

Signed-off-by: Colin Leroy <[email protected]>
--- a/fs/hfsplus/super.c	2005-04-25 21:56:56.000000000 +0200
+++ b/fs/hfsplus/super.c	2005-04-25 21:58:39.000000000 +0200
@@ -226,6 +226,9 @@
 	brelse(HFSPLUS_SB(sb).s_vhbh);
 	if (HFSPLUS_SB(sb).nls)
 		unload_nls(HFSPLUS_SB(sb).nls);
+
+	kfree(sb->s_fs_info);
+	sb->s_fs_info = NULL;
 }
 
 static int hfsplus_statfs(struct super_block *sb, struct kstatfs *buf)
@@ -298,7 +301,7 @@
 		if (!silent)
 			printk("HFS+-fs: unable to parse mount options\n");
 		err = -EINVAL;
-		goto cleanup;
+		goto cleanup_little;
 	}
 
 	/* temporarily use utf8 to correctly find the hidden dir below */
@@ -307,7 +310,7 @@
 	if (!nls) {
 		printk("HFS+: unable to load nls for utf8\n");
 		err = -EINVAL;
-		goto cleanup;
+		goto cleanup_little;
 	}
 
 	/* Grab the volume header */
@@ -315,7 +318,7 @@
 		if (!silent)
 			printk("HFS+-fs: unable to find HFS+ superblock\n");
 		err = -EINVAL;
-		goto cleanup;
+		goto cleanup_little;
 	}
 	vhdr = HFSPLUS_SB(sb).s_vhdr;
 
@@ -428,8 +431,12 @@
 
 cleanup:
 	hfsplus_put_super(sb);
+
+cleanup_little:
 	if (nls)
 		unload_nls(nls);
+	sb->s_fs_info = NULL;
+	kfree(sbi);
 	return err;
 }
 
-
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