2019-07-30 18:28:30

by Gary R Hook

[permalink] [raw]
Subject: [PATCH] crypto:ccp - Return from init on allocation failure

Return and fail driver initialization if a DMA pool can't be
allocated.

Fixes: 4b394a232df7 ("crypto: ccp - Let a v5 CCP provide the same function as v3")

Signed-off-by: Gary R Hook <[email protected]>
---
drivers/crypto/ccp/ccp-dev-v5.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c
index f146b51a23a5..3c0f0d0c3153 100644
--- a/drivers/crypto/ccp/ccp-dev-v5.c
+++ b/drivers/crypto/ccp/ccp-dev-v5.c
@@ -803,6 +803,7 @@ static int ccp5_init(struct ccp_device *ccp)
if (!dma_pool) {
dev_err(dev, "unable to allocate dma pool\n");
ret = -ENOMEM;
+ goto e_pool;
}

cmd_q = &ccp->cmd_q[ccp->cmd_q_count];
--
2.17.1


2019-07-31 17:49:03

by Gary R Hook

[permalink] [raw]
Subject: Re: [PATCH] crypto:ccp - Return from init on allocation failure

On 7/30/19 1:28 PM, Hook, Gary wrote:
> Return and fail driver initialization if a DMA pool can't be
> allocated.
>
> Fixes: 4b394a232df7 ("crypto: ccp - Let a v5 CCP provide the same function as v3")
>
> Signed-off-by: Gary R Hook <[email protected]>
> ---
> drivers/crypto/ccp/ccp-dev-v5.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c
> index f146b51a23a5..3c0f0d0c3153 100644
> --- a/drivers/crypto/ccp/ccp-dev-v5.c
> +++ b/drivers/crypto/ccp/ccp-dev-v5.c
> @@ -803,6 +803,7 @@ static int ccp5_init(struct ccp_device *ccp)
> if (!dma_pool) {
> dev_err(dev, "unable to allocate dma pool\n");
> ret = -ENOMEM;
> + goto e_pool;
> }
>
> cmd_q = &ccp->cmd_q[ccp->cmd_q_count];
>

NAK this, please ignore. I changed the subject in the v2 post; apologies
for that.