[PATCH 2/4] irqchip/gic-v3-its-platform-msi: Handle return value of kasprintf
From: Arvind Yadav <hidden>
Date: 2017-09-20 08:09:53
Also in:
lkml
Subsystem:
arm generic interrupt controller drivers, irqchip drivers, the rest · Maintainers:
Marc Zyngier, Thomas Gleixner, Linus Torvalds
kasprintf() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <redacted> --- drivers/irqchip/irq-gic-v3-its-platform-msi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its-platform-msi.c b/drivers/irqchip/irq-gic-v3-its-platform-msi.c
index 833a90f..a731f82 100644
--- a/drivers/irqchip/irq-gic-v3-its-platform-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-platform-msi.c@@ -126,6 +126,9 @@ static int __init its_pmsi_init_one(struct fwnode_handle *fwnode, its_entry = (struct acpi_madt_generic_translator *)header; node_name = kasprintf(GFP_KERNEL, "ITS at 0x%lx", (long)its_entry->base_address); + if (!node_name) + return -ENOMEM; + domain_handle = iort_find_domain_token(its_entry->translation_id); if (!domain_handle) { pr_err("%s: Unable to locate ITS domain handle\n", node_name);
--
1.9.1