linux-kernel - [PATCH usb v4 07/27] host: ohci-jz4740: remove duplicate check on resource

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1415067694-9473-8-git-send-email-varkabhadram@gmail.com>
Date:	Tue,  4 Nov 2014 07:51:14 +0530
From:	varkabhadram@...il.com
To:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org
Cc:	balbi@...com, stern@...land.harvard.edu,
	sergei.shtylyov@...entembedded.com, linux-kernel@...r.kernel.org,
	Varka Bhadram <varkabhadram@...il.com>,
	Varka Bhadram <varkab@...c.in>
Subject: [PATCH usb v4 07/27] host: ohci-jz4740: remove duplicate check on resource

From: Varka Bhadram <varkabhadram@...il.com>

Sanity check on resource happening with devm_ioremap_resource().

Signed-off-by: Varka Bhadram <varkab@...c.in>
Acked-by: Alan Stern <stern@...land.harvard.edu>
---
 drivers/usb/host/ohci-jz4740.c |   13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c
index c2c221a..8ddd8f5 100644
--- a/drivers/usb/host/ohci-jz4740.c
+++ b/drivers/usb/host/ohci-jz4740.c
@@ -153,13 +153,6 @@ static int jz4740_ohci_probe(struct platform_device *pdev)
 	struct resource *res;
 	int irq;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	if (!res) {
-		dev_err(&pdev->dev, "Failed to get platform resource\n");
-		return -ENOENT;
-	}
-
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		dev_err(&pdev->dev, "Failed to get platform irq\n");
@@ -174,14 +167,14 @@ static int jz4740_ohci_probe(struct platform_device *pdev)
 
 	jz4740_ohci = hcd_to_jz4740_hcd(hcd);
 
-	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = resource_size(res);
-
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	hcd->regs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(hcd->regs)) {
 		ret = PTR_ERR(hcd->regs);
 		goto err_free;
 	}
+	hcd->rsrc_start = res->start;
+	hcd->rsrc_len = resource_size(res);
 
 	jz4740_ohci->clk = devm_clk_get(&pdev->dev, "uhc");
 	if (IS_ERR(jz4740_ohci->clk)) {
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/