[PATCH 4.9 072/145] dmaengine: ioat: Fix error handling path

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Christophe JAILLET [ Upstream commit 5c9afbda911ce20b3f2181d1e440a0222e1027dd ] If the last test in 'ioat_dma_self_test()' fails, we must release all the

[PATCH 4.9 072/145] dmaengine: ioat: Fix error handling path

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Christophe JAILLET [ Upstream commit 5c9afbda911ce20b3f2181d1e440a0222e1027dd ] If the last test in 'ioat_dma_self_test()' fails, we must release all the allocated resources and not just part