diff mbox

[1/5] hw/dma/pxa2xx: Remove superfluous memset

Message ID 1444332916-16476-2-git-send-email-thuth@redhat.com
State New
Headers show

Commit Message

Thomas Huth Oct. 8, 2015, 7:35 p.m. UTC
g_malloc0 already clears the memory, so no need for
the additional memset here.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 hw/dma/pxa2xx_dma.c | 1 -
 1 file changed, 1 deletion(-)

Comments

Thomas Huth Oct. 9, 2015, 6:39 a.m. UTC | #1
On 08/10/15 22:59, Eric Blake wrote:
> On 10/08/2015 01:35 PM, Thomas Huth wrote:
>> g_malloc0 already clears the memory, so no need for
>> the additional memset here.
>>
>> Signed-off-by: Thomas Huth <thuth@redhat.com>
>> ---
>>  hw/dma/pxa2xx_dma.c | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/hw/dma/pxa2xx_dma.c b/hw/dma/pxa2xx_dma.c
>> index d4501fb..3f0a720 100644
>> --- a/hw/dma/pxa2xx_dma.c
>> +++ b/hw/dma/pxa2xx_dma.c
>> @@ -461,7 +461,6 @@ static int pxa2xx_dma_init(SysBusDevice *sbd)
>>  
>>      s->chan = g_malloc0(sizeof(PXA2xxDMAChannel) * s->channels);
> 
> As long as we're here, this should probably be switched to g_new0(), in
> part to avoid any chance that the multiply can overflow.

Ok, I doubt that we really get overflows here, but g_new0 is certainly
nicer here, so I'll change my patch accordingly.

 Thomas
diff mbox

Patch

diff --git a/hw/dma/pxa2xx_dma.c b/hw/dma/pxa2xx_dma.c
index d4501fb..3f0a720 100644
--- a/hw/dma/pxa2xx_dma.c
+++ b/hw/dma/pxa2xx_dma.c
@@ -461,7 +461,6 @@  static int pxa2xx_dma_init(SysBusDevice *sbd)
 
     s->chan = g_malloc0(sizeof(PXA2xxDMAChannel) * s->channels);
 
-    memset(s->chan, 0, sizeof(PXA2xxDMAChannel) * s->channels);
     for (i = 0; i < s->channels; i ++)
         s->chan[i].state = DCSR_STOPINTR;