The patch titled
Subject: lib/scatterlist: fix memory leak with scsi-mq
has been added to the -mm tree. Its filename is
lib-scatterlist-fix-memory-leak-with-scsi-mq.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-scatterlist-fix-memory-leak-with-scsi-mq.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-scatterlist-fix-memory-leak-with-scsi-mq.patch
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------------------------------------------------------
From: Tony Battersby <tonyb@xxxxxxxxxxxxxxx>
Subject: lib/scatterlist: fix memory leak with scsi-mq
Fix a memory leak with scsi-mq triggered by commands with large data
transfer length.
Fixes: c53c6d6a68b1 ("scatterlist: allow chaining to preallocated chunks")
Signed-off-by: Tony Battersby <tonyb@xxxxxxxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Acked-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> [3.17.x]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/scatterlist.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN lib/scatterlist.c~lib-scatterlist-fix-memory-leak-with-scsi-mq lib/scatterlist.c
--- a/lib/scatterlist.c~lib-scatterlist-fix-memory-leak-with-scsi-mq
+++ a/lib/scatterlist.c
@@ -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;
}
_
Patches currently in -mm which might be from tonyb@xxxxxxxxxxxxxxx are
lib-scatterlist-fix-memory-leak-with-scsi-mq.patch
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