[PATCH] crypto: atmel-sha204a - Fix error codes in OTP reads

[Herbert Xu]

On Sun, Feb 15, 2026 at 09:51:53PM +0100, Thorsten Blum wrote:
> Return -EINVAL from atmel_i2c_init_read_otp_cmd() on invalid addresses
> instead of -1. Since the OTP zone is accessed in 4-byte blocks, valid
> addresses range from 0 to OTP_ZONE_SIZE / 4 - 1. Fix the bounds check
> accordingly.
> 
> In atmel_sha204a_otp_read(), propagate the actual error code from
> atmel_i2c_init_read_otp_cmd() instead of -1. Also, return -EIO instead
> of -EINVAL when the device is not ready.
> 
> Cc: stable at vger.kernel.org
> Fixes: e05ce444e9e5 ("crypto: atmel-sha204a - add reading from otp zone")
> Signed-off-by: Thorsten Blum <thorsten.blum at linux.dev>
> ---
> Compile-tested only.
> ---
>  drivers/crypto/atmel-i2c.c     | 4 ++--
>  drivers/crypto/atmel-sha204a.c | 7 ++++---
>  2 files changed, 6 insertions(+), 5 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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