linux-kernel - [PATCH] pcmcia: omap: Add missing check for platform_get

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Message-Id: <20250320063956.211577-1-nichen@iscas.ac.cn>
Date: Thu, 20 Mar 2025 14:39:56 +0800
From: Chen Ni <nichen@...as.ac.cn>
To: linux@...inikbrodowski.net,
	tony@...mide.com,
	arnd@...db.de
Cc: linux-kernel@...r.kernel.org,
	Chen Ni <nichen@...as.ac.cn>
Subject: [PATCH] pcmcia: omap: Add missing check for platform_get_resource

Add missing check for platform_get_resource() and return error if it fails
to catch the error.

Fixes: d87d44f7ab35 ("ARM: omap1: move CF chipselect setup to board file")
Signed-off-by: Chen Ni <nichen@...as.ac.cn>
---
 drivers/pcmcia/omap_cf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
index f0ccf479f36e..e0a3820acaef 100644
--- a/drivers/pcmcia/omap_cf.c
+++ b/drivers/pcmcia/omap_cf.c
@@ -215,6 +215,8 @@ static int __init omap_cf_probe(struct platform_device *pdev)
 		return -EINVAL;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
 
 	cf = kzalloc(sizeof *cf, GFP_KERNEL);
 	if (!cf)
-- 
2.25.1