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Code Issues Releases Wiki Activity

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>
This commit is contained in:
Fabio Estevam 2013-09-22 14:42:27 -03:00 committed by Herbert Xu
parent 0ff647551b
commit 48e6dc1b2a
1 changed files with 12 additions and 10 deletions
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22
drivers/crypto/dcp.c
View File

@ -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:
@ -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);
dma_free_coherent(&pdev->dev, 2 * AES_KEYSIZE_128, dev->payload_base,
dev->payload_base_dma);
tasklet_kill(&dev->done_task);
tasklet_kill(&dev->queue_task);
misc_deregister(&dev->dcp_bootstream_misc);
for (j = 0; j < ARRAY_SIZE(algs); j++)
crypto_unregister_alg(&algs[j]);
misc_deregister(&dev->dcp_bootstream_misc);
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);
dma_free_coherent(&pdev->dev,
DCP_MAX_PKG * sizeof(struct dcp_hw_packet),
dev->hw_pkg[0], dev->hw_phys_pkg);
return 0;
}