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irqchip/mips-gic: Check the return value of ioremap() in gic_of_init()
[linux-2.6-block.git]
/
drivers
/
irqchip
/
irq-mips-gic.c
diff --git
a/drivers/irqchip/irq-mips-gic.c
b/drivers/irqchip/irq-mips-gic.c
index ff89b36267dd4955e2a1a25184edb0daaf944e73..a1f6d955794aa095ba1d617bb18deb7fb1c26f34 100644
(file)
--- a/
drivers/irqchip/irq-mips-gic.c
+++ b/
drivers/irqchip/irq-mips-gic.c
@@
-734,6
+734,10
@@
static int __init gic_of_init(struct device_node *node,
}
mips_gic_base = ioremap(gic_base, gic_len);
+ if (!mips_gic_base) {
+ pr_err("Failed to ioremap gic_base\n");
+ return -ENOMEM;
+ }
gicconfig = read_gic_config();
gic_shared_intrs = FIELD_GET(GIC_CONFIG_NUMINTERRUPTS, gicconfig);