redonkable/alistair23-linux
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crypto: bfin_crc - ignore duplicated registration of the same algorithm

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in case of multiple crc devices are probed.
Call platform_set_drvdata() before adding new CRC device into the list.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Sonic Zhang 2014-04-11 17:30:25 +08:00 committed by Herbert Xu
parent 52e6e543f2
commit 8d390395fa
1 changed files with 9 additions and 9 deletions
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18
drivers/crypto/bfin_crc.c
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@ -665,19 +665,19 @@ static int bfin_crypto_crc_probe(struct platform_device *pdev)
if (timeout == 0)
dev_info(&pdev->dev, "init crc poly timeout\n");
platform_set_drvdata(pdev, crc);
spin_lock(&crc_list.lock);
list_add(&crc->list, &crc_list.dev_list);
spin_unlock(&crc_list.lock);
platform_set_drvdata(pdev, crc);
ret = crypto_register_ahash(&algs);
if (ret) {
spin_lock(&crc_list.lock);
list_del(&crc->list);
spin_unlock(&crc_list.lock);
dev_err(&pdev->dev, "Cann't register crypto ahash device\n");
goto out_error_dma;
if (list_is_singular(&crc_list.dev_list)) {
ret = crypto_register_ahash(&algs);
if (ret) {
dev_err(&pdev->dev,
"Can't register crypto ahash device\n");
goto out_error_dma;
}
}
dev_info(&pdev->dev, "initialized\n");