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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: c53c6d6a68 ("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>
This commit is contained in:
Tony Battersby 2014-10-23 15:10:21 -04:00 committed by Jens Axboe
parent d32f6b5752
commit c21e59d8dc
1 changed files with 3 additions and 3 deletions
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6
lib/scatterlist.c
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@ -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;
}