Commit c21e59d8 authored Oct 23, 2014 by Tony Battersby Committed by Jens Axboe Oct 28, 2014

lib/scatterlist: fix memory leak with scsi-mq



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

Fixes: c53c6d6a ("scatterlist: allow chaining to preallocated chunks")
Cc: <stable@vger.kernel.org> # 3.17.x
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent d32f6b57

lib/scatterlist.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -203,10 +203,10 @@ void __sg_free_table(struct sg_table *table, unsigned int max_ents,
		}

		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;
		}