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Commit d6a71bf7 authored by Rickard Strandqvist's avatar Rickard Strandqvist Committed by Joerg Roedel
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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: default avatarRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: default avatarBharat Bhushan <bharat.bhushan@freescale.com>
Acked-by: default avatarVarun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 4b660a7f

drivers/iommu/fsl_pamu.c

+1 −2
Original line number Diff line number Diff line
@@ -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;

		}

	}