[PATCH] crypto: atmel-ecc - Release client on allocation failure

[Thorsten Blum]

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 at vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum at 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 at linux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4