crypto: atmel - Check for clk_prepare_enable() return value
clk_prepare_enable() can fail so add a check for this and return the error code if it fails. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -260,7 +260,11 @@ static struct atmel_aes_dev *atmel_aes_find_dev(struct atmel_aes_ctx *ctx)
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static int atmel_aes_hw_init(struct atmel_aes_dev *dd)
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{
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clk_prepare_enable(dd->iclk);
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int err;
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err = clk_prepare_enable(dd->iclk);
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if (err)
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return err;
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if (!(dd->flags & AES_FLAGS_INIT)) {
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atmel_aes_write(dd, AES_CR, AES_CR_SWRST);
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@ -794,7 +794,11 @@ static void atmel_sha_finish_req(struct ahash_request *req, int err)
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static int atmel_sha_hw_init(struct atmel_sha_dev *dd)
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{
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clk_prepare_enable(dd->iclk);
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int err;
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err = clk_prepare_enable(dd->iclk);
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if (err)
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return err;
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if (!(SHA_FLAGS_INIT & dd->flags)) {
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atmel_sha_write(dd, SHA_CR, SHA_CR_SWRST);
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@ -218,7 +218,11 @@ static struct atmel_tdes_dev *atmel_tdes_find_dev(struct atmel_tdes_ctx *ctx)
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static int atmel_tdes_hw_init(struct atmel_tdes_dev *dd)
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{
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clk_prepare_enable(dd->iclk);
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int err;
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err = clk_prepare_enable(dd->iclk);
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if (err)
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return err;
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if (!(dd->flags & TDES_FLAGS_INIT)) {
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atmel_tdes_write(dd, TDES_CR, TDES_CR_SWRST);
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