> Subject: [PATCH] remoteproc: imx_rproc: Fix off-by-one in address > translation
Ignore this patch. The fix is not complete. Thanks, Peng. > > From: Peng Fan <[email protected]> > > In imx_rproc_da_to_sys(), a firmware segment that exactly fills the > remainder of a memory region (da + len == att->da + att->size) is > wrongly rejected due to a strict less-than comparison. Use <= to accept > this valid boundary case. > > Reported-by: Sashiko <[email protected]> > Closes: > https://lore.kernel.org/all/[email protected] > nel.org/ > Signed-off-by: Peng Fan <[email protected]> > --- > drivers/remoteproc/imx_rproc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/remoteproc/imx_rproc.c > b/drivers/remoteproc/imx_rproc.c index > 745ce52cd8226..9af0aa26ce9b7 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -552,7 +552,7 @@ static int imx_rproc_da_to_sys(struct > imx_rproc *priv, u64 da, > continue; > } > > - if (da >= att->da && da + len < att->da + att->size) { > + if (da >= att->da && da + len <= att->da + att->size) { > unsigned int offset = da - att->da; > > *sys = att->sa + offset; > > --- > base-commit: 3652b49adac266a3d27cb41cdfdb7d8790fc3633 > change-id: 20260729-imx-rproc-range-6383734aff49 > > Best regards, > -- > Peng Fan <[email protected]>
