[PATCH v4 3/5] staging: fbtft: propagate error code from kstrto*()

From: Andy Shevchenko
Date: Thu Jan 19 2017 - 05:51:20 EST


kstrto*() functions return proper error code.

Do propogate it to the user.

Acked-by: Noralf TrÃnnes <noralf@xxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/staging/fbtft/fbtft-sysfs.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c
index 8d8bd12b90a1..5922f1b6d8d6 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -4,7 +4,6 @@
static int get_next_ulong(char **str_p, unsigned long *val, char *sep, int base)
{
char *p_val;
- int ret;

if (!str_p || !(*str_p))
return -EINVAL;
@@ -14,11 +13,7 @@ static int get_next_ulong(char **str_p, unsigned long *val, char *sep, int base)
if (!p_val)
return -EINVAL;

- ret = kstrtoul(p_val, base, val);
- if (ret)
- return -EINVAL;
-
- return 0;
+ return kstrtoul(p_val, base, val);
}

int fbtft_gamma_parse_str(struct fbtft_par *par, unsigned long *curves,
--
2.11.0