linux-kernel - [PATCH v3 3/5] firmware: fold successful fw read early

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Message-Id: <1450906497-24179-4-git-send-email-mcgrof@do-not-panic.com>
Date:	Wed, 23 Dec 2015 13:34:55 -0800
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	gregkh@...uxfoundation.org, ming.lei@...onical.com
Cc:	jwboyer@...oraproject.org, johannes@...solutions.net,
	luto@...capital.net, corbet@....net, dwmw2@...radead.org,
	dhowells@...hat.com, seth.forshee@...onical.com,
	rusty@...tcorp.com.au, mmarek@...e.cz, mjg59@...f.ucam.org,
	kyle@...nel.org, zohar@...ux.vnet.ibm.com,
	dmitry.kasatkin@...il.com, vgoyal@...hat.com,
	computersforpeace@...il.com, keescook@...omium.org,
	shuahkh@....samsung.com, torvalds@...ux-foundation.org,
	linux-security-module@...r.kernel.org, keyrings@...ux-nfs.org,
	linux-kernel@...r.kernel.org,
	"Luis R . Rodriguez" <mcgrof@...e.com>
Subject: [PATCH v3 3/5] firmware: fold successful fw read early

From: David Howells <dhowells@...hat.com>

We'll be folding in some more checks on fw_read_file_contents(),
this will make the success case easier to follow.

Signed-off-by: David Howells <dhowells@...hat.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
---
 drivers/base/firmware_class.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d8148aa89b01..e10a5349aa61 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -361,20 +361,18 @@ static int fw_get_filesystem_firmware(struct device *device,
 			continue;
 		rc = fw_read_file_contents(file, buf);
 		fput(file);
-		if (rc)
+		if (rc == 0) {
+			dev_dbg(device, "system data: direct-loading firmware %s\n",
+				buf->fw_id);
+			fw_finish_direct_load(device, buf);
+			goto out;
+		} else
 			dev_warn(device, "system data, attempted to load %s, but failed with error %d\n",
 				 path, rc);
-		else
-			break;
 	}
+out:
 	__putname(path);
 
-	if (!rc) {
-		dev_dbg(device, "system data: direct-loading firmware %s\n",
-			buf->fw_id);
-		fw_finish_direct_load(device, buf);
-	}
-
 	return rc;
 }
 
-- 
2.6.2

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