Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel...
[firefly-linux-kernel-4.4.55.git] / drivers / misc / lkdtm.c
index 28adefe70f96274c93198ee50acc9ee65adec1ae..08aad69c8da4e3f4d8572d52eadd46c00bb65941 100644 (file)
@@ -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++)