From: Fabio Estevam <fabio.este...@freescale.com>
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.este...@freescale.com>
---
drivers/crypto/dcp.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/crypto/dcp.c b/drivers/crypto/dcp.c
index 93ab753..38d7a9f 100644
--- a/drivers/crypto/dcp.c
+++ b/drivers/crypto/dcp.c
@@ -842,6 +842,8 @@ err_unregister:
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:
@@ -857,21 +859,21 @@ static int dcp_remove(struct platform_device *pdev)
struct dcp_dev *dev;
int j;
dev = platform_get_drvdata(pdev);
+
+ 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);
-
- 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;
}
--
1.8.1.2
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