| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 072/145] dmaengine: ioat: Fix error handling path | Date | Fri, 23 Feb 2018 19:26:18 +0100 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ Upstream commit 5c9afbda911ce20b3f2181d1e440a0222e1027dd ]
If the last test in 'ioat_dma_self_test()' fails, we must release all the allocated resources and not just part of them.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/dma/ioat/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -388,7 +388,7 @@ static int ioat_dma_self_test(struct ioa if (memcmp(src, dest, IOAT_TEST_SIZE)) { dev_err(dev, "Self-test copy failed compare, disabling\n"); err = -ENODEV; - goto free_resources; + goto unmap_dma; } unmap_dma:
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