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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Noralf Trønnes" <noralf@tronnes.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	devel@driverdev.osuosl.org,
	"Thomas Petazzoni" <thomas.petazzoni@free-electrons.com>,
	linux-kernel@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v3 3/5] staging: fbtft: propagate error code from kstrto*()
Date: Tue,  3 Jan 2017 20:29:47 +0200	[thread overview]
Message-ID: <20170103182949.114385-4-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20170103182949.114385-1-andriy.shevchenko@linux.intel.com>

kstrto*() functions return proper error code.

Do propogate it to the user.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 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

  parent reply	other threads:[~2017-01-03 18:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-03 18:29 [PATCH v3 0/5] fbtft: make it work with DMA enabled SPI Andy Shevchenko
2017-01-03 18:29 ` [PATCH v3 1/5] staging: fbtft: convert fbtft_reset() to be non-atomic Andy Shevchenko
2017-01-19  9:49   ` Greg Kroah-Hartman
2017-01-19 10:46     ` Andy Shevchenko
2017-01-03 18:29 ` [PATCH v3 2/5] staging: fbtft: remove custom DMA mapped buffer Andy Shevchenko
2017-01-03 18:29 ` Andy Shevchenko [this message]
2017-01-03 18:29 ` [PATCH v3 4/5] staging: fbtft: fb_ssd1306: Support smaller screen sizes Andy Shevchenko
2017-01-03 18:29 ` [PATCH v3 5/5] staging: fbtft: fb_ssd1306: Refactor write_vmem() Andy Shevchenko
2017-01-11 14:43 ` [PATCH v3 0/5] fbtft: make it work with DMA enabled SPI Andy Shevchenko
2017-01-11 16:10   ` Noralf Trønnes

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