zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()

I missed converting the last zram attribute to CLASS_ATTR_RO() after
removing CLASS_ATTR() from the kernel, causing a build breakage.  This
patch fixes that problem.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index ebf5a45a0277c63035cb1825af4a04f2878d8b84..558e245fab0cda76a7a29438054e7cd74504fdf0 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1293,7 +1293,7 @@ static ssize_t hot_add_show(struct class *class,
                return ret;
        return scnprintf(buf, PAGE_SIZE, "%d\n", ret);
 }
-static CLASS_ATTR(hot_add, 0400, hot_add_show, NULL);
+static CLASS_ATTR_RO(hot_add);
 
 static ssize_t hot_remove_store(struct class *class,
                        struct class_attribute *attr,