fshelp: fix bug

a1ive · Feb 28, 2020 · e50a9ef · e50a9ef
1 parent 08359b0
commit e50a9ef
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/grub-core/fs/fshelp.c b/grub-core/fs/fshelp.c
@@ -425,9 +425,13 @@ grub_fshelp_read_file (grub_disk_t disk, grub_fshelp_node_t node,
 	    return -1;
 	}
       else
-	grub_memset (buf, 0, blockend);
+    {
+      if (buf)
+        grub_memset (buf, 0, blockend);
+    }
 
-      buf += blocksize - skipfirst;
+      if (buf)
+        buf += blocksize - skipfirst;
     }
 
   return len;