Commit c21e59d8 authored by Tony Battersby's avatar Tony Battersby Committed by Jens Axboe

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: default avatarTony Battersby <tonyb@cybernetics.com>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent d32f6b57
......@@ -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;
}
......
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