From: Chen Ni <nichen@iscas.ac.cn>
Date: Thu, 20 Mar 2025 06:39:56 +0000 (+0800)
Subject: pcmcia: omap: Add missing check for platform_get_resource
X-Git-Tag: v6.12.46~26
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=278842aca27e48fab1d41529281e7e7b90eaec34;p=thirdparty%2Fkernel%2Fstable.git

pcmcia: omap: Add missing check for platform_get_resource

[ Upstream commit ecef14f70ec9344a10c817248d2ac6cddee5921e ]

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@iscas.ac.cn>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
index 80137c7afe0d9..5b639c942f17a 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)