On 1/26/21 2:13 AM, Shiyang Ruan wrote: > The return value of range_parse() indicates the size when it is > positive. The error code should be negative. > > Signed-off-by: Shiyang Ruan <ruansy.f...@cn.fujitsu.com>
Reviewed-by: Joao Martins <joao.m.mart...@oracle.com> Although, FWIW, there was another patch exactly like this a couple months ago, albeit it didn't get pulled for some reason: https://lore.kernel.org/linux-nvdimm/20201026110425.136629-1-zhangqilo...@huawei.com/ > --- > drivers/dax/bus.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c > index 737b207c9e30..3003558c1a8b 100644 > --- a/drivers/dax/bus.c > +++ b/drivers/dax/bus.c > @@ -1038,7 +1038,7 @@ static ssize_t range_parse(const char *opt, size_t len, > struct range *range) > { > unsigned long long addr = 0; > char *start, *end, *str; > - ssize_t rc = EINVAL; > + ssize_t rc = -EINVAL; > > str = kstrdup(opt, GFP_KERNEL); > if (!str) >
