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Subject[Patch 4/4] hfsplus: Check for NULL volume header in put_super()
hfsplus: Check for NULL volume header in put_super()

If volume header is null there is not much to do in put_super().

Signed-Off-By: Chuck Ebbert <cebbert@redhat.com>

--- vanilla-2.6.38-rc2-git9.orig/fs/hfsplus/super.c
+++ vanilla-2.6.38-rc2-git9/fs/hfsplus/super.c
@@ -237,7 +237,10 @@ static void hfsplus_put_super(struct sup
if (!sb->s_fs_info)
return;

- if (!(sb->s_flags & MS_RDONLY) && sbi->s_vhdr) {
+ if (!sbi->s_vhdr)
+ goto out_unload_nls;
+
+ if (!(sb->s_flags & MS_RDONLY)) {
struct hfsplus_vh *vhdr = sbi->s_vhdr;

vhdr->modify_date = hfsp_now2mt();
@@ -253,6 +256,7 @@ static void hfsplus_put_super(struct sup
iput(sbi->hidden_dir);
kfree(sbi->s_vhdr);
kfree(sbi->s_backup_vhdr);
+out_unload_nls:
unload_nls(sbi->nls);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;

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