From: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Date: Sat, 17 May 2014 17:16:44 +0000 (+0200)
Subject: iommu: fsl_pamu.c: Fix for possible null pointer dereference
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d6a71bf79da03b835f8df5430eaee6fc46df1038;p=linux-beck.git

iommu: fsl_pamu.c: Fix for possible null pointer dereference

There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Acked-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
index cba0498eb011..b99dd88e31b9 100644
--- a/drivers/iommu/fsl_pamu.c
+++ b/drivers/iommu/fsl_pamu.c
@@ -592,8 +592,7 @@ found_cpu_node:
 		/* advance to next node in cache hierarchy */
 		node = of_find_node_by_phandle(*prop);
 		if (!node) {
-			pr_debug("Invalid node for cache hierarchy %s\n",
-				node->full_name);
+			pr_debug("Invalid node for cache hierarchy\n");
 			return ~(u32)0;
 		}
 	}