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path: root/drivers/soc/sifive/sifive_ccache.c
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Diffstat (limited to 'drivers/soc/sifive/sifive_ccache.c')
-rw-r--r--drivers/soc/sifive/sifive_ccache.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c
index 1c171150e878..3684f5b40a80 100644
--- a/drivers/soc/sifive/sifive_ccache.c
+++ b/drivers/soc/sifive/sifive_ccache.c
@@ -215,20 +215,27 @@ static int __init sifive_ccache_init(void)
if (!np)
return -ENODEV;
- if (of_address_to_resource(np, 0, &res))
- return -ENODEV;
+ if (of_address_to_resource(np, 0, &res)) {
+ rc = -ENODEV;
+ goto err_node_put;
+ }
ccache_base = ioremap(res.start, resource_size(&res));
- if (!ccache_base)
- return -ENOMEM;
+ if (!ccache_base) {
+ rc = -ENOMEM;
+ goto err_node_put;
+ }
- if (of_property_read_u32(np, "cache-level", &level))
- return -ENOENT;
+ if (of_property_read_u32(np, "cache-level", &level)) {
+ rc = -ENOENT;
+ goto err_unmap;
+ }
intr_num = of_property_count_u32_elems(np, "interrupts");
if (!intr_num) {
pr_err("No interrupts property\n");
- return -ENODEV;
+ rc = -ENODEV;
+ goto err_unmap;
}
for (i = 0; i < intr_num; i++) {
@@ -237,9 +244,10 @@ static int __init sifive_ccache_init(void)
NULL);
if (rc) {
pr_err("Could not request IRQ %d\n", g_irq[i]);
- return rc;
+ goto err_free_irq;
}
}
+ of_node_put(np);
ccache_config_read();
@@ -250,6 +258,15 @@ static int __init sifive_ccache_init(void)
setup_sifive_debug();
#endif
return 0;
+
+err_free_irq:
+ while (--i >= 0)
+ free_irq(g_irq[i], NULL);
+err_unmap:
+ iounmap(ccache_base);
+err_node_put:
+ of_node_put(np);
+ return rc;
}
device_initcall(sifive_ccache_init);