linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] IB/hfi1: prevent memory leak in sdma_init
@ 2019-09-25 14:45 Navid Emamdoost
  2019-09-26 11:49 ` Dennis Dalessandro
  0 siblings, 1 reply; 2+ messages in thread
From: Navid Emamdoost @ 2019-09-25 14:45 UTC (permalink / raw)
  Cc: emamd001, kjlu, smccaman, Navid Emamdoost, Mike Marciniszyn,
	Dennis Dalessandro, Doug Ledford, Jason Gunthorpe, linux-rdma,
	linux-kernel

In sdma_init if rhashtable_init fails the allocated memory for
tmp_sdma_rht should be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
 drivers/infiniband/hw/hfi1/sdma.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 2395fd4233a7..2ed7bfd5feea 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -1526,8 +1526,11 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
 	}
 
 	ret = rhashtable_init(tmp_sdma_rht, &sdma_rht_params);
-	if (ret < 0)
+	if (ret < 0) {
+		kfree(tmp_sdma_rht);
 		goto bail;
+	}
+
 	dd->sdma_rht = tmp_sdma_rht;
 
 	dd_dev_info(dd, "SDMA num_sdma: %u\n", dd->num_sdma);
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] IB/hfi1: prevent memory leak in sdma_init
  2019-09-25 14:45 [PATCH] IB/hfi1: prevent memory leak in sdma_init Navid Emamdoost
@ 2019-09-26 11:49 ` Dennis Dalessandro
  0 siblings, 0 replies; 2+ messages in thread
From: Dennis Dalessandro @ 2019-09-26 11:49 UTC (permalink / raw)
  To: Navid Emamdoost
  Cc: emamd001, kjlu, smccaman, Mike Marciniszyn, Doug Ledford,
	Jason Gunthorpe, linux-rdma, linux-kernel

On 9/25/2019 10:45 AM, Navid Emamdoost wrote:
> In sdma_init if rhashtable_init fails the allocated memory for
> tmp_sdma_rht should be released.
> 
> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
> ---
>   drivers/infiniband/hw/hfi1/sdma.c | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
> index 2395fd4233a7..2ed7bfd5feea 100644
> --- a/drivers/infiniband/hw/hfi1/sdma.c
> +++ b/drivers/infiniband/hw/hfi1/sdma.c
> @@ -1526,8 +1526,11 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
>   	}
>   
>   	ret = rhashtable_init(tmp_sdma_rht, &sdma_rht_params);
> -	if (ret < 0)
> +	if (ret < 0) {
> +		kfree(tmp_sdma_rht);
>   		goto bail;
> +	}
> +
>   	dd->sdma_rht = tmp_sdma_rht;
>   
>   	dd_dev_info(dd, "SDMA num_sdma: %u\n", dd->num_sdma);
> 

Yeah looks like a problem to me, thanks.

Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2019-09-26 11:49 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-09-25 14:45 [PATCH] IB/hfi1: prevent memory leak in sdma_init Navid Emamdoost
2019-09-26 11:49 ` Dennis Dalessandro

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).