On Tue, Mar 21, 2023 at 08:53:33PM +0000, Srinivas Kandagatla wrote:
>
>
> On 21/03/2023 10:21, Ekansh Gupta wrote:
> > The userspace map request for remote heap allocates CMA memory.
> > The ownership of this memory needs to be reassigned to proper
> > owners to allow access from the protection domain running on
> > DSP. This reassigning of ownership is not correct if done for
> > any other supported flags.
> >
> > When any other flag is requested from userspace, fastrpc is
> > trying to reassign the ownership of memory and this reassignment
> > is getting skipped for remote heap request which is incorrect.
> > Add proper flag check to reassign the memory only if remote heap
> > is requested.
> >
> > Fixes: 532ad70c6d44 ("misc: fastrpc: Add mmap request assigning for static PD pool")
> > Cc: stable <stable@xxxxxxxxxx>
> > Tested-by: Ekansh Gupta <quic_ekangupt@xxxxxxxxxxx>
> > Signed-off-by: Ekansh Gupta <quic_ekangupt@xxxxxxxxxxx>
>
> Thanks for fixing this, without this fix the code inside if condition was a
> dead code.
>
>
> Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Are you going to be collecting these and sending them on? If not,
please do.
thanks,
greg k-h
