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Commit 9d83d299 authored by LABBE Corentin's avatar LABBE Corentin Committed by Herbert Xu
Browse files

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: default avatarLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent c6415a60

drivers/crypto/atmel-aes.c

+5 −1
Original line number Diff line number Diff line
@@ -260,7 +260,11 @@ static struct atmel_aes_dev *atmel_aes_find_dev(struct atmel_aes_ctx *ctx) 


static int atmel_aes_hw_init(struct atmel_aes_dev *dd)

{

	clk_prepare_enable(dd->iclk);

	int err;



	err = clk_prepare_enable(dd->iclk);

	if (err)

		return err;



	if (!(dd->flags & AES_FLAGS_INIT)) {

		atmel_aes_write(dd, AES_CR, AES_CR_SWRST);

drivers/crypto/atmel-sha.c

+5 −1
Original line number Diff line number Diff line
@@ -794,7 +794,11 @@ static void atmel_sha_finish_req(struct ahash_request *req, int err) 


static int atmel_sha_hw_init(struct atmel_sha_dev *dd)

{

	clk_prepare_enable(dd->iclk);

	int err;



	err = clk_prepare_enable(dd->iclk);

	if (err)

		return err;



	if (!(SHA_FLAGS_INIT & dd->flags)) {

		atmel_sha_write(dd, SHA_CR, SHA_CR_SWRST);

drivers/crypto/atmel-tdes.c

+5 −1
Original line number Diff line number Diff line
@@ -218,7 +218,11 @@ static struct atmel_tdes_dev *atmel_tdes_find_dev(struct atmel_tdes_ctx *ctx) 


static int atmel_tdes_hw_init(struct atmel_tdes_dev *dd)

{

	clk_prepare_enable(dd->iclk);

	int err;



	err = clk_prepare_enable(dd->iclk);

	if (err)

		return err;



	if (!(dd->flags & TDES_FLAGS_INIT)) {

		atmel_tdes_write(dd, TDES_CR, TDES_CR_SWRST);