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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: platform-driver-x86@vger.kernel.org,
	Andy Shevchenko <andy.shevchenko@gmail.com>,
	Darren Hart <dvhart@infradead.org>,
	Marco Chiappero <marco@absence.it>,
	Matthew Garrett <mjg@redhat.com>,
	Mattia Dongili <malattia@linux.it>
Cc: LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Andy Shevchenko <andy@infradead.org>
Subject: [PATCH v2 3/3] Sony-laptop: Use common error handling code in sony_nc_setup_rfkill()
Date: Wed, 01 Nov 2017 18:49:19 +0000	[thread overview]
Message-ID: <522fa39e-4aad-3a18-f63f-bed36f30ee0a@users.sourceforge.net> (raw)
In-Reply-To: <17ee534c-9fe6-19c4-0522-76cd3cbe5f88@users.sourceforge.net>

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 1 Nov 2017 19:17:01 +0100

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---

v2:
This software refactoring was repeated after the error code handling was
adjusted for two function calls.

 drivers/platform/x86/sony-laptop.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 62aa2c37b8d2..8e2ee1e221fe 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1661,31 +1661,32 @@ static int sony_nc_setup_rfkill(struct acpi_device *device,
 		return -ENOMEM;
 
 	err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
-	if (err < 0) {
-		rfkill_destroy(rfk);
-		return err;
-	}
+	if (err < 0)
+		goto destroy_rfk;
+
 	hwblock = !(result & 0x1);
 
 	err = sony_call_snc_handle(sony_rfkill_handle,
 				   sony_rfkill_address[nc_type],
 				   &result);
-	if (err < 0) {
-		rfkill_destroy(rfk);
-		return err;
-	}
+	if (err < 0)
+		goto destroy_rfk;
+
 	swblock = !(result & 0x2);
 
 	rfkill_init_sw_state(rfk, swblock);
 	rfkill_set_hw_state(rfk, hwblock);
 
 	err = rfkill_register(rfk);
-	if (err) {
-		rfkill_destroy(rfk);
-		return err;
-	}
+	if (err)
+		goto destroy_rfk;
+
 	sony_rfkill_devices[nc_type] = rfk;
 	return err;
+
+destroy_rfk:
+	rfkill_destroy(rfk);
+	return err;
 }
 
 static void sony_nc_rfkill_update(void)
-- 
2.14.3


  parent reply	other threads:[~2017-11-01 18:49 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-30 20:15 [PATCH] Sony-laptop: Use common error handling code in sony_nc_setup_rfkill() SF Markus Elfring
2017-10-31 13:33 ` Andy Shevchenko
2017-10-31 14:24   ` SF Markus Elfring
2017-10-31 16:35     ` Andy Shevchenko
2017-10-31 16:56       ` SF Markus Elfring
2017-11-01 18:45   ` [PATCH v2 0/3] Sony-laptop: Adjustments for sony_nc_setup_rfkill() SF Markus Elfring
2017-11-01 18:46     ` [PATCH v2 1/3] Sony-laptop: Fix exception handling in sony_nc_setup_rfkill() SF Markus Elfring
2017-11-03 12:00       ` Andy Shevchenko
2017-11-01 18:47     ` [PATCH v2 2/3] Sony-laptop: Delete an unnecessary variable initialisation " SF Markus Elfring
2017-11-03 12:00       ` [PATCH v2 2/3] Sony-laptop: Delete an unnecessary variable initialisation in sony_nc_setup_rfkil Andy Shevchenko
2017-11-01 18:49     ` SF Markus Elfring [this message]
2017-11-03 12:02     ` [PATCH v2 0/3] Sony-laptop: Adjustments for sony_nc_setup_rfkill() Andy Shevchenko
2017-11-03 13:23       ` SF Markus Elfring
2017-11-05 13:24         ` Andy Shevchenko
2017-11-05 14:20           ` SF Markus Elfring
2017-11-07 12:49             ` Andy Shevchenko
2017-11-07 13:00               ` SF Markus Elfring
2017-11-07 13:18                 ` Andy Shevchenko
2017-11-07 13:54                   ` SF Markus Elfring

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