Commit-ID: 28b6afa7d4456e759031bf83706b4be3689fba94
Gitweb: https://git.kernel.org/tip/28b6afa7d4456e759031bf83706b4be3689fba94
Author: Bartosz Golaszewski <brgl@xxxxxxxx>
AuthorDate: Sun, 4 Mar 2018 13:10:17 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 9 Mar 2018 11:44:03 +0100
genirq/irq_sim: Check the return value of irq_sim_init() for error codes
As discussed with Marc Zyngier: irq_sim_init() and its devres variant
should return the base of the allocated interrupt range on success rather
than 0.
Make devm_irq_sim_init() check for an error code. This is a preparatory
change for modifying irq_sim_init() itself.
Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
Link: https://lkml.kernel.org/r/20180304121018.640-3-brgl@xxxxxxxx
---
kernel/irq/irq_sim.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index bd7dc1db6a80..05f0d7c1698a 100644
--- a/kernel/irq/irq_sim.c
+++ b/kernel/irq/irq_sim.c
@@ -124,7 +124,7 @@ int devm_irq_sim_init(struct device *dev, struct irq_sim *sim,
return -ENOMEM;
rv = irq_sim_init(sim, num_irqs);
- if (rv) {
+ if (rv < 0) {
devres_free(dr);
return rv;
}
--
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