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

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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>
This commit is contained in:
Rickard Strandqvist
2014-05-17 19:16:44 +02:00
committed by Joerg Roedel
parent 4b660a7f5c
commit d6a71bf79d
1 changed files with 1 additions and 2 deletions
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3
drivers/iommu/fsl_pamu.c
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@@ -592,8 +592,7 @@ found_cpu_node:
/* advance to next node in cache hierarchy */ /* advance to next node in cache hierarchy */
node = of_find_node_by_phandle(*prop); node = of_find_node_by_phandle(*prop);
if (!node) { if (!node) {
pr_debug("Invalid node for cache hierarchy %s\n", pr_debug("Invalid node for cache hierarchy\n");
node->full_name);
return ~(u32)0; return ~(u32)0;
} }
} }