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authorShiyang Ruan <ruansy.fnst@cn.fujitsu.com>2021-01-26 10:13:31 +0800
committerDan Williams <dan.j.williams@intel.com>2021-02-16 14:37:43 -0800
commit7323fb22f05ff1d20498d267828870a5fbbaebd6 (patch)
tree1c530ee3bed4823628f15661abeb44495dc1dc1b
parent1048ba83fb1c00cd24172e23e8263972f6b5d9ac (diff)
downloadlinux-7323fb22f05ff1d20498d267828870a5fbbaebd6.tar.bz2
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: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com> Reviewed-by: Joao Martins <joao.m.martins@oracle.com> Link: https://lore.kernel.org/r/20210126021331.1059933-1-ruansy.fnst@cn.fujitsu.com Reported-by: Zhang Qilong <zhangqilong3@huawei.com> Fixes: 8490e2e25b5a ("device-dax: add a range mapping allocation attribute") Signed-off-by: Dan Williams <dan.j.williams@intel.com>
-rw-r--r--drivers/dax/bus.c2
1 files changed, 1 insertions, 1 deletions
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)