This is a note to let you know that I've just added the patch titled
lib/scatterlist: fix memory leak with scsi-mq
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
lib-scatterlist-fix-memory-leak-with-scsi-mq.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c21e59d8dc04b2107bdb4ff0f412a9b7ae3349f3 Mon Sep 17 00:00:00 2001
From: Tony Battersby <tonyb@xxxxxxxxxxxxxxx>
Date: Thu, 23 Oct 2014 15:10:21 -0400
Subject: lib/scatterlist: fix memory leak with scsi-mq
From: Tony Battersby <tonyb@xxxxxxxxxxxxxxx>
commit c21e59d8dc04b2107bdb4ff0f412a9b7ae3349f3 upstream.
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>
Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
lib/scatterlist.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/lib/scatterlist.c
+++ b/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 stable-queue which might be from tonyb@xxxxxxxxxxxxxxx are
queue-3.17/lib-scatterlist-fix-memory-leak-with-scsi-mq.patch
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