Hi, On 4/18/23 17:32, Srinivas Pandruvada wrote: > Currently when the uncore_write() returns error, it is silently > ignored. Return error to user space when uncore_write() fails. > > Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> > Reviewed-by: Zhang Rui <rui.zhang@xxxxxxxxx> > Tested-by: Wendy Wang <wendy.wang@xxxxxxxxx> Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Patches which are added to review-hans now are intended for the next rc1. This branch will get rebased to the next rc1 when it is out and after the rebasing the contents of review-hans will be pushed to the platform-drivers-x86/for-next branch. Regards, Hans > --- > This patch has no dependency on TPMI patches for uncore support. > > .../x86/intel/uncore-frequency/uncore-frequency-common.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c > index cb24de9e97dc..fa8f14c925ec 100644 > --- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c > +++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c > @@ -44,14 +44,18 @@ static ssize_t store_min_max_freq_khz(struct uncore_data *data, > int min_max) > { > unsigned int input; > + int ret; > > if (kstrtouint(buf, 10, &input)) > return -EINVAL; > > mutex_lock(&uncore_lock); > - uncore_write(data, input, min_max); > + ret = uncore_write(data, input, min_max); > mutex_unlock(&uncore_lock); > > + if (ret) > + return ret; > + > return count; > } >