Call atmel_ecc_i2c_client_free() to release the I2C client reserved by
atmel_ecc_i2c_client_alloc() when crypto_alloc_kpp() fails. Otherwise
->tfm_count will be out of sync.

Fixes: 11105693fa05 ("crypto: atmel-ecc - introduce Microchip / Atmel ECC driver")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
Compile-tested only.
---
 drivers/crypto/atmel-ecc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index 0d48e64d28b1..9da5a0388080 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -261,6 +261,7 @@ static int atmel_ecdh_init_tfm(struct crypto_kpp *tfm)
 	if (IS_ERR(fallback)) {
 		dev_err(&ctx->client->dev, "Failed to allocate transformation for '%s': %ld\n",
 			alg, PTR_ERR(fallback));
+		atmel_ecc_i2c_client_free(ctx->client);
 		return PTR_ERR(fallback);
 	}
 
-- 
Thorsten Blum <thorsten.blum@linux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4

On Fri, Feb 20, 2026 at 03:03:13PM +0100, Thorsten Blum wrote:
> Call atmel_ecc_i2c_client_free() to release the I2C client reserved by
> atmel_ecc_i2c_client_alloc() when crypto_alloc_kpp() fails. Otherwise
> ->tfm_count will be out of sync.
> 
> Fixes: 11105693fa05 ("crypto: atmel-ecc - introduce Microchip / Atmel ECC driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
> Compile-tested only.
> ---
>  drivers/crypto/atmel-ecc.c | 1 +
>  1 file changed, 1 insertion(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt