diff options
| author | Tudor-Dan Ambarus <tudor.ambarus@microchip.com> | 2017-10-23 17:34:39 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-11-03 15:11:23 +0100 |
| commit | 3c88761e8a7bee9252c6ed1e2552eb0cfefa521d (patch) | |
| tree | 3287e45db155891157dfeed6dcea5f1c62639d94 /drivers | |
| parent | crypto: doc - adapt api sample to use async. op wait (diff) | |
| download | linux-3c88761e8a7bee9252c6ed1e2552eb0cfefa521d.tar.xz linux-3c88761e8a7bee9252c6ed1e2552eb0cfefa521d.zip | |
crypto: atmel - return appropriate error code
Return -ENODEV when dma_request_slave_channel_compat() fails.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/atmel-aes.c | 3 | ||||
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 3 | ||||
| -rw-r--r-- | drivers/crypto/atmel-tdes.c | 3 |
3 files changed, 3 insertions, 6 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 903fd43f23a5..9659759dcba9 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2383,7 +2383,6 @@ static int atmel_aes_dma_init(struct atmel_aes_dev *dd, struct crypto_platform_data *pdata) { struct at_dma_slave *slave; - int err = -ENOMEM; dma_cap_mask_t mask; dma_cap_zero(mask); @@ -2408,7 +2407,7 @@ err_dma_out: dma_release_channel(dd->src.chan); err_dma_in: dev_warn(dd->dev, "no DMA channel available\n"); - return err; + return -ENODEV; } static void atmel_aes_dma_cleanup(struct atmel_aes_dev *dd) diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 3e2f41b3eaf3..42c1f7479ab6 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -2628,7 +2628,6 @@ static bool atmel_sha_filter(struct dma_chan *chan, void *slave) static int atmel_sha_dma_init(struct atmel_sha_dev *dd, struct crypto_platform_data *pdata) { - int err = -ENOMEM; dma_cap_mask_t mask_in; /* Try to grab DMA channel */ @@ -2639,7 +2638,7 @@ static int atmel_sha_dma_init(struct atmel_sha_dev *dd, atmel_sha_filter, &pdata->dma_slave->rxdata, dd->dev, "tx"); if (!dd->dma_lch_in.chan) { dev_warn(dd->dev, "no DMA channel available\n"); - return err; + return -ENODEV; } dd->dma_lch_in.dma_conf.direction = DMA_MEM_TO_DEV; diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index f4b335dda568..0ece4b85c9db 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -720,7 +720,6 @@ static bool atmel_tdes_filter(struct dma_chan *chan, void *slave) static int atmel_tdes_dma_init(struct atmel_tdes_dev *dd, struct crypto_platform_data *pdata) { - int err = -ENOMEM; dma_cap_mask_t mask; dma_cap_zero(mask); @@ -765,7 +764,7 @@ err_dma_out: dma_release_channel(dd->dma_lch_in.chan); err_dma_in: dev_warn(dd->dev, "no DMA channel available\n"); - return err; + return -ENODEV; } static void atmel_tdes_dma_cleanup(struct atmel_tdes_dev *dd) |