[PATCH 2/2] powerpc/82xx: Use common error handling code in pq2ads_pci_init_irq()

From: Markus Elfring
Date: Tue Aug 27 2019 - 04:28:39 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 27 Aug 2019 09:19:32 +0200

Adjust jump targets so that a bit of exception handling can be better
reused at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/platforms/82xx/pq2ads-pci-pic.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 6cc054db7043..f82f75a6085c 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -129,13 +129,11 @@ int __init pq2ads_pci_init_irq(void)
irq = irq_of_parse_and_map(np, 0);
if (!irq) {
printk(KERN_ERR "No interrupt in pci pic node.\n");
- of_node_put(np);
- goto out;
+ goto out_put_node;
}

priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
- of_node_put(np);
ret = -ENOMEM;
goto out_unmap_irq;
}
@@ -160,17 +158,17 @@ int __init pq2ads_pci_init_irq(void)
priv->host = host;
irq_set_handler_data(irq, priv);
irq_set_chained_handler(irq, pq2ads_pci_irq_demux);
-
- of_node_put(np);
- return 0;
+ ret = 0;
+ goto out_put_node;

out_unmap_regs:
iounmap(priv->regs);
out_free_kmalloc:
kfree(priv);
- of_node_put(np);
out_unmap_irq:
irq_dispose_mapping(irq);
+out_put_node:
+ of_node_put(np);
out:
return ret;
}
--
2.23.0