ping On 2021/1/26 上午10:13, 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> --- 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)
