On Tue, 16 Mar 2021 20:59:55 +0530
Pratyush Yadav wrote:
> On 16/03/21 03:15PM, Marek Behun wrote:
> > On Tue, 16 Mar 2021 19:28:46 +0530
> > Pratyush Yadav wrote:
> >
> > > On 16/03/21 01:25PM, Marek Behún wrote:
> > > > There is a serious bug in regmap_read() and regmap_write() functions
On 16/03/21 03:15PM, Marek Behun wrote:
> On Tue, 16 Mar 2021 19:28:46 +0530
> Pratyush Yadav wrote:
>
> > On 16/03/21 01:25PM, Marek Behún wrote:
> > > There is a serious bug in regmap_read() and regmap_write() functions
> > > where an uint pointer is cast to (void *) which is then cast to (u8 *
On Tue, 16 Mar 2021 19:28:46 +0530
Pratyush Yadav wrote:
> On 16/03/21 01:25PM, Marek Behún wrote:
> > There is a serious bug in regmap_read() and regmap_write() functions
> > where an uint pointer is cast to (void *) which is then cast to (u8 *),
> > (u16 *), (u32 *) or (u64 *), depending on reg
On 16/03/21 01:25PM, Marek Behún wrote:
> There is a serious bug in regmap_read() and regmap_write() functions
> where an uint pointer is cast to (void *) which is then cast to (u8 *),
> (u16 *), (u32 *) or (u64 *), depending on register width of the map.
>
> For example given a regmap with 16-bit
There is a serious bug in regmap_read() and regmap_write() functions
where an uint pointer is cast to (void *) which is then cast to (u8 *),
(u16 *), (u32 *) or (u64 *), depending on register width of the map.
For example given a regmap with 16-bit register width the code
int val = 0x12340
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