On 24/06/2019 17:10, Deepak Singh Rawat wrote:
> Hi Colin,
>
> Thanks for doing this.
>
> Reviewed-by: Deepak Rawat <drawat@xxxxxxxxxx>
>
> Do you want me to include this in vmwgfx-next or will you submit this
> via drm-mics?
Can you include it into vmwgfx-next?
Thanks
Colin
>
> On Fri, 2019-06-21 at 23:35 +0100, Colin King wrote:
>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>
>> Currently when too many retries have occurred there is a memory
>> leak on the allocation for reply on the error return path. Fix
>> this by kfree'ing reply before returning.
>>
>> Addresses-Coverity: ("Resource leak")
>> Fixes: a9cd9c044aa9 ("drm/vmwgfx: Add a check to handle host message
>> failure")
>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/vmwgfx/vmwgfx_msg.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
>> b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
>> index 8b9270f31409..8b61f16f50cf 100644
>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
>> @@ -301,8 +301,10 @@ static int vmw_recv_msg(struct rpc_channel
>> *channel, void **msg,
>> break;
>> }
>>
>> - if (retries == RETRIES)
>> + if (retries == RETRIES) {
>> + kfree(reply);
>> return -EINVAL;
>> + }
>>
>> *msg_len = reply_len;
>> *msg = reply;
>
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