From 48e6dc1b2a1ad8186d48968d5018912bdacac744 Mon Sep 17 00:00:00 2001 From: Fabio Estevam <fabio.estevam@freescale.com> Date: Sun, 22 Sep 2013 14:42:27 -0300 Subject: [PATCH] crypto: dcp - Fix the path for releasing the resources tasklet_kill() is not being called in probe and the remove function releases the resources in the wrong order. Fix these issues. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- drivers/crypto/dcp.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/crypto/dcp.c b/drivers/crypto/dcp.c index 93ab753d610d1..7b77c84578547 100644 --- a/drivers/crypto/dcp.c +++ b/drivers/crypto/dcp.c @@ -842,6 +842,8 @@ static int dcp_probe(struct platform_device *pdev) for (j = 0; j < i; j++) crypto_unregister_alg(&algs[j]); err_free_key_iv: + tasklet_kill(&dev->done_task); + tasklet_kill(&dev->queue_task); dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base, dev->payload_base_dma); err_free_hw_packet: @@ -858,20 +860,20 @@ static int dcp_remove(struct platform_device *pdev) int j; dev = platform_get_drvdata(pdev); - dma_free_coherent(&pdev->dev, - DCP_MAX_PKG * sizeof(struct dcp_hw_packet), - dev->hw_pkg[0], dev->hw_phys_pkg); + misc_deregister(&dev->dcp_bootstream_misc); - dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base, - dev->payload_base_dma); + for (j = 0; j < ARRAY_SIZE(algs); j++) + crypto_unregister_alg(&algs[j]); tasklet_kill(&dev->done_task); tasklet_kill(&dev->queue_task); - for (j = 0; j < ARRAY_SIZE(algs); j++) - crypto_unregister_alg(&algs[j]); + dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base, + dev->payload_base_dma); - misc_deregister(&dev->dcp_bootstream_misc); + dma_free_coherent(&pdev->dev, + DCP_MAX_PKG * sizeof(struct dcp_hw_packet), + dev->hw_pkg[0], dev->hw_phys_pkg); return 0; } -- GitLab