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authorRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>2014-05-17 13:16:44 -0400
committerJoerg Roedel <jroedel@suse.de>2014-05-26 05:44:29 -0400
commitd6a71bf79da03b835f8df5430eaee6fc46df1038 (patch)
treeaec4b2246b0af970cf6dd356d4a1804c7ad30d42
parent4b660a7f5c8099d88d1a43d8ae138965112592c7 (diff)
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>
-rw-r--r--drivers/iommu/fsl_pamu.c3
1 files changed, 1 insertions, 2 deletions
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:
592 /* advance to next node in cache hierarchy */ 592 /* advance to next node in cache hierarchy */
593 node = of_find_node_by_phandle(*prop); 593 node = of_find_node_by_phandle(*prop);
594 if (!node) { 594 if (!node) {
595 pr_debug("Invalid node for cache hierarchy %s\n", 595 pr_debug("Invalid node for cache hierarchy\n");
596 node->full_name);
597 return ~(u32)0; 596 return ~(u32)0;
598 } 597 }
599 } 598 }