Fix a memory leak with scsi-mq triggered by commands with large data
transfer length.

Fixes: c53c6d6a68b1 ("scatterlist: allow chaining to preallocated chunks")
Cc: <[email protected]> # 3.17.x
Signed-off-by: Tony Battersby <[email protected]>
---

For inclusion in 3.18 and 3.17.x.

--- a/lib/scatterlist.c 2014-10-23 13:32:27.000000000 -0400
+++ b/lib/scatterlist.c 2014-10-23 13:32:36.000000000 -0400
@@ -203,10 +203,10 @@ void __sg_free_table(struct sg_table *ta
                }
 
                table->orig_nents -= sg_size;
-               if (!skip_first_chunk) {
-                       free_fn(sgl, alloc_size);
+               if (skip_first_chunk)
                        skip_first_chunk = false;
-               }
+               else
+                       free_fn(sgl, alloc_size);
                sgl = next;
        }
 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to