Commit 4fa2f327 authored by NeilBrown's avatar NeilBrown

md: move freeing of badblocks.page into md_rdev_clear

This ensures that it is always freed - there were case where
we failed to free the page.
Reported-by: default avatarmajianpeng <majianpeng@gmail.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 545c8795
......@@ -816,6 +816,8 @@ void md_rdev_clear(struct md_rdev *rdev)
put_page(rdev->bb_page);
rdev->bb_page = NULL;
}
kfree(rdev->badblocks.page);
rdev->badblocks.page = NULL;
}
EXPORT_SYMBOL_GPL(md_rdev_clear);
......@@ -2191,9 +2193,7 @@ static void unbind_rdev_from_array(struct md_rdev * rdev)
sysfs_remove_link(&rdev->kobj, "block");
sysfs_put(rdev->sysfs_state);
rdev->sysfs_state = NULL;
kfree(rdev->badblocks.page);
rdev->badblocks.count = 0;
rdev->badblocks.page = NULL;
/* We need to delay this, otherwise we can deadlock when
* writing to 'remove' to "dev/state". We also need
* to delay it due to rcu usage.
......@@ -3325,7 +3325,6 @@ static struct md_rdev *md_import_device(dev_t newdev, int super_format, int supe
if (rdev->bdev)
unlock_rdev(rdev);
md_rdev_clear(rdev);
kfree(rdev->badblocks.page);
kfree(rdev);
return ERR_PTR(err);
}
......
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