diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index 28adefe70f96274c93198ee50acc9ee65adec1ae..08aad69c8da4e3f4d8572d52eadd46c00bb65941 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -477,6 +477,8 @@ static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf,
 	int i, n, out;
 
 	buf = (char *)__get_free_page(GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
 
 	n = snprintf(buf, PAGE_SIZE, "Available crash types:\n");
 	for (i = 0; i < ARRAY_SIZE(cp_type); i++)