On Mon, Jun 09, 2014 at 09:24:35PM -0400, Marcos A. Di Pietro wrote:
> Fixes warning static analysis warning raised by sparse in
> drivers/staging/comedi/drivers/ni_stc.h
>
> warning: shift too big (4294967295) for type int
This warning seems wrong. I don't even understand how it thinks the
shi
On Monday, June 09, 2014 10:48 PM, Dan Carpenter wrote:
> On Mon, Jun 09, 2014 at 09:24:35PM -0400, Marcos A. Di Pietro wrote:
>> Fixes warning static analysis warning raised by sparse in
>> drivers/staging/comedi/drivers/ni_stc.h
>>
>> warning: shift too big (4294967295) for type int
>
> This wa
On Tue, Jun 10, 2014 at 10:36:13PM +, Hartley Sweeten wrote:
> On Monday, June 09, 2014 10:48 PM, Dan Carpenter wrote:
> > On Mon, Jun 09, 2014 at 09:24:35PM -0400, Marcos A. Di Pietro wrote:
> >> Fixes warning static analysis warning raised by sparse in
> >> drivers/staging/comedi/drivers/ni_
On Tuesday, June 10, 2014 11:56 PM, Dan Carpenter wrote:
> On Tue, Jun 10, 2014 at 10:36:13PM +, Hartley Sweeten wrote:
>> On Monday, June 09, 2014 10:48 PM, Dan Carpenter wrote:
>>> On Mon, Jun 09, 2014 at 09:24:35PM -0400, Marcos A. Di Pietro wrote:
Fixes warning static analysis warning
Let's forward this to the Sparse mailing list.
We're seeing a Sparse false positive testing
drivers/staging/comedi/drivers/ni_pcimio.c.
CHECK drivers/staging/comedi/drivers/ni_pcimio.c
drivers/staging/comedi/drivers/ni_stc.h:720:26: warning: shift too big
(4294967295) for type int
drivers/st
On Thu, Jun 12, 2014 at 12:24:25AM +0300, Dan Carpenter wrote:
> Let's forward this to the Sparse mailing list.
>
> We're seeing a Sparse false positive testing
> drivers/staging/comedi/drivers/ni_pcimio.c.
>
> CHECK drivers/staging/comedi/drivers/ni_pcimio.c
> drivers/staging/comedi/drivers/
Hi Josh.
On Wed, Jun 11, 2014 at 02:45:29PM -0700, j...@joshtriplett.org wrote:
> On Thu, Jun 12, 2014 at 12:24:25AM +0300, Dan Carpenter wrote:
> > Let's forward this to the Sparse mailing list.
> >
> > We're seeing a Sparse false positive testing
> > drivers/staging/comedi/drivers/ni_pcimio.c.
On Sun, Jun 15, 2014 at 09:32:27PM +0200, Sam Ravnborg wrote:
> diff --git a/expand.c b/expand.c
> index 0f6720c..4a96de4 100644
> --- a/expand.c
> +++ b/expand.c
> @@ -187,7 +187,7 @@ static int simplify_int_binop(struct expression *expr,
> struct symbol *ctype)
> return 0;
>
On Mon, Jun 16, 2014 at 10:40:19AM +0300, Dan Carpenter wrote:
> On Sun, Jun 15, 2014 at 09:32:27PM +0200, Sam Ravnborg wrote:
> > diff --git a/expand.c b/expand.c
> > index 0f6720c..4a96de4 100644
> > --- a/expand.c
> > +++ b/expand.c
> > @@ -187,7 +187,7 @@ static int simplify_int_binop(struct ex
Sorry for the late reply.
On Wed, Jun 11, 2014 at 2:45 PM, wrote:
> On Thu, Jun 12, 2014 at 12:24:25AM +0300, Dan Carpenter wrote:
>> Let's forward this to the Sparse mailing list.
>>
>> We're seeing a Sparse false positive testing
No, this is a valid complain. See my point follows.
>> drivers
On Sat, Jun 28, 2014 at 11:07:48AM -0700, Christopher Li wrote:
> On Wed, Jun 11, 2014 at 2:45 PM, wrote:
> > On Thu, Jun 12, 2014 at 12:24:25AM +0300, Dan Carpenter wrote:
> >> Let's forward this to the Sparse mailing list.
> >>
> >> We're seeing a Sparse false positive testing
>
> No, this is
On Sat, Jun 28, 2014 at 12:20 PM, Josh Triplett wrote:
> Except that "filter" has an "int channel" (signed), so it can
> successfully test "channel < 0" and return early; it'll never call
> ni_stc_dma_channel_select_bitfield(channel) with a negative number.
>
> I do agree that this code should sor
On Sat, Jun 28, 2014 at 8:09 PM, Christopher Li wrote:
> So if there is a bug, It is sparse did not know exactly which part
> of the code is dead on AST level. If you enable the "#if 0" inside
I am thinking about how to fix the dead code issue. Try to do more
than trivial dead code analyses is re
On Mon, Jun 30, 2014 at 10:49 AM, Christopher Li wrote:
> The warning should be trivial in instruction level. We are looking
> for an instruction has larger than type size constant shift
> value.
Actually, just try it. Not as trivial as I thought.
The problem is that, in the instruction level, s
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