Messages in this thread Patch in this message |  | | Date | Thu, 23 Oct 2014 15:10:21 -0400 | From | Tony Battersby <> | Subject | [PATCH] lib/scatterlist: fix memory leak with scsi-mq |
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Fix a memory leak with scsi-mq triggered by commands with large data transfer length.
Fixes: c53c6d6a68b1 ("scatterlist: allow chaining to preallocated chunks") Cc: <stable@vger.kernel.org> # 3.17.x Signed-off-by: Tony Battersby <tonyb@cybernetics.com> ---
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; }
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