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crypto: ixp4xx - Add missing npe_c release in error branches 

Most error branches following the call to npe_request contain a call to
npe_request. This patch add a call to npe_release to error branches
following the call to npe_request that do not have it.

This issue was found with Hector.

Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Quentin Lambert 2016-07-22 15:32:41 +02:00 committed by Herbert Xu
parent b363700ef5
commit c5736a4067
1 changed files with 4 additions and 2 deletions
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6
drivers/crypto/ixp4xx_crypto.c
View File

@ -448,7 +448,7 @@ static int init_ixp_crypto(struct device *dev)
if (!npe_running(npe_c)) {
ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
if (ret)
return ret;
goto npe_release;
if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
goto npe_error;
} else {
@ -472,7 +472,8 @@ static int init_ixp_crypto(struct device *dev)
default:
printk(KERN_ERR "Firmware of %s lacks crypto support\n",
npe_name(npe_c));
return -ENODEV;
ret = -ENODEV;
goto npe_release;
}
/* buffer_pool will also be used to sometimes store the hmac,
* so assure it is large enough
@ -511,6 +512,7 @@ npe_error:
err:
dma_pool_destroy(ctx_pool);
dma_pool_destroy(buffer_pool);
npe_release:
npe_release(npe_c);
return ret;
}