Commit 7323fb22 authored by Shiyang Ruan's avatar Shiyang Ruan Committed by Dan Williams
Browse files

device-dax: Fix default return code of range_parse() 



The return value of range_parse() indicates the size when it is
positive.  The error code should be negative.

Signed-off-by: default avatarShiyang Ruan <ruansy.fnst@cn.fujitsu.com>
Reviewed-by: default avatarJoao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20210126021331.1059933-1-ruansy.fnst@cn.fujitsu.com


Reported-by: default avatarZhang Qilong <zhangqilong3@huawei.com>
Fixes: 8490e2e2 ("device-dax: add a range mapping allocation attribute")
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 1048ba83

drivers/dax/bus.c

+1 −1
Original line number Diff line number Diff line
@@ -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)