From: Sudeep Dutt <sudeep.dutt@intel.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Sudeep Dutt <sudeep.dutt@intel.com>,
Nikhil Rao <nikhil.rao@intel.com>,
Ashutosh Dixit <ashutosh.dixit@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch 1/2] misc: mic/scif: fix error code in scif_create_remote_lookup()
Date: Sun, 11 Oct 2015 02:14:19 -0700 [thread overview]
Message-ID: <1444554859.93285.232.camel@localhost> (raw)
In-Reply-To: <20151009064122.GC7540@mwanda>
On Fri, 2015-10-09 at 09:41 +0300, Dan Carpenter wrote:
> We should be returning -ENOMEM here instead of success.
>
Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Thanks for the fix!
> Fixes: ba612aa8b487 ('misc: mic: SCIF memory registration and unregistration')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c
> index e288996..bc2dccb 100644
> --- a/drivers/misc/mic/scif/scif_rma.c
> +++ b/drivers/misc/mic/scif/scif_rma.c
> @@ -386,16 +386,20 @@ static int scif_create_remote_lookup(struct scif_dev *remote_dev,
> remote_dev, window->nr_lookup *
> sizeof(*window->dma_addr_lookup.lookup),
> GFP_KERNEL | __GFP_ZERO);
> - if (!window->dma_addr_lookup.lookup)
> + if (!window->dma_addr_lookup.lookup) {
> + err = -ENOMEM;
> goto error_window;
> + }
>
> window->num_pages_lookup.lookup =
> scif_alloc_coherent(&window->num_pages_lookup.offset,
> remote_dev, window->nr_lookup *
> sizeof(*window->num_pages_lookup.lookup),
> GFP_KERNEL | __GFP_ZERO);
> - if (!window->num_pages_lookup.lookup)
> + if (!window->num_pages_lookup.lookup) {
> + err = -ENOMEM;
> goto error_window;
> + }
>
> vmalloc_dma_phys = is_vmalloc_addr(&window->dma_addr[0]);
> vmalloc_num_pages = is_vmalloc_addr(&window->num_pages[0]);
prev parent reply other threads:[~2015-10-11 9:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-09 6:41 [patch 1/2] misc: mic/scif: fix error code in scif_create_remote_lookup() Dan Carpenter
2015-10-11 9:14 ` Sudeep Dutt [this message]
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