Add a NULL check for iomem resource in mailbox probe functions.
Signed-off-by: Fernando Guzman Lugo <[email protected]>
Signed-off-by: Suman Anna <[email protected]>
---
arch/arm/mach-omap1/mailbox.c | 3 +++
arch/arm/mach-omap2/mailbox.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c
index efc8f20..a343d5f 100644
--- a/arch/arm/mach-omap1/mailbox.c
+++ b/arch/arm/mach-omap1/mailbox.c
@@ -152,6 +152,9 @@ static int omap1_mbox_probe(struct platform_device *pdev)
list[0]->irq = platform_get_irq_byname(pdev, "dsp");
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem)
+ return -ENOENT;
+
mbox_base = ioremap(mem->start, resource_size(mem));
if (!mbox_base)
return -ENOMEM;
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 0b08026..9fe0bf2 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -382,6 +382,9 @@ static int omap2_mbox_probe(struct platform_device *pdev)
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem)
+ return -ENOENT;
+
mbox_base = ioremap(mem->start, resource_size(mem));
if (!mbox_base)
return -ENOMEM;
--
1.8.2
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