On Tue, 9 Jun 2015, Sergey Senozhatsky wrote: > dma_pool_destroy() does not tolerate a NULL dma_pool pointer > argument and performs a NULL-pointer dereference. This requires > additional attention and effort from developers/reviewers and > forces all dma_pool_destroy() callers to do a NULL check > > if (pool) > dma_pool_destroy(pool); > > Or, otherwise, be invalid dma_pool_destroy() users. > > Tweak dma_pool_destroy() and NULL-check the pointer there. > > Proposed by Andrew Morton. > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> > Reported-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > LKML-reference: https://lkml.org/lkml/2015/6/8/583 Acked-by: David Rientjes <rientjes@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>