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From: Saurabh Sengar <saurabh.truth@gmail.com>
To: w.d.hubbs@gmail.com, chris@the-brannons.com, kirk@reisers.ca,
	samuel.thibault@ens-lyon.org, gregkh@linuxfoundation.org,
	speakup@linux-speakup.org, devel@driverdev.osuosl.org,
	linux-kernel@vger.kernel.org
Cc: Saurabh Sengar <saurabh.truth@gmail.com>
Subject: [PATCH] Staging: speakup: kobjects: Return the error type to caller
Date: Fri,  4 Dec 2015 20:12:33 +0530	[thread overview]
Message-ID: <1449240153-3927-1-git-send-email-saurabh.truth@gmail.com> (raw)

Inorder to notify the user that value is not successfuly set in sys
entry, error should be returned from store function instead of count

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
---
 drivers/staging/speakup/kobjects.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c
index fdfeb42..b3a83fb 100644
--- a/drivers/staging/speakup/kobjects.c
+++ b/drivers/staging/speakup/kobjects.c
@@ -640,7 +640,8 @@ ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
 			len = E_INC;
 		else
 			len = E_SET;
-		if (kstrtol(cp, 10, &value) == 0)
+		ret = kstrtol(cp, 10, &value);
+		if (!ret)
 			ret = spk_set_num_var(value, param, len);
 		else
 			pr_warn("overflow or parsing error has occurred");
@@ -688,6 +689,8 @@ ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
 
 	if (ret == -ERESTART)
 		pr_info("%s reset to default value\n", param->name);
+	else if (ret < 0)
+		return ret;
 	return count;
 }
 EXPORT_SYMBOL_GPL(spk_var_store);
-- 
1.9.1


             reply	other threads:[~2015-12-04 14:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-04 14:42 Saurabh Sengar [this message]
2015-12-07  6:48 ` Dan Carpenter
2015-12-07  7:16   ` Saurabh Sengar
2015-12-07  8:31     ` Dan Carpenter
2015-12-07  9:59       ` [PATCH v2] " Saurabh Sengar

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