1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index feda0341f5a7..fe7d007833ad 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -89,10 +89,9 @@ acpi_pci_irq_add_entry(acpi_handle handle,
         if (!prt)
                 return -EINVAL;
 
-        entry = kmalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL);
+        entry = kzalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL);
         if (!entry)
                 return -ENOMEM;
-        memset(entry, 0, sizeof(struct acpi_prt_entry));
 
         entry->id.segment = segment;
         entry->id.bus = bus;
@@ -161,10 +160,9 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus)
         static int first_time = 1;
 
 
-        pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
+        pathname = kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
         if (!pathname)
                 return -ENOMEM;
-        memset(pathname, 0, ACPI_PATHNAME_MAX);
 
         if (first_time) {
                 acpi_prt.count = 0;
@@ -198,11 +196,10 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus)
                 return -ENODEV;
         }
 
-        prt = kmalloc(buffer.length, GFP_KERNEL);
+        prt = kzalloc(buffer.length, GFP_KERNEL);
         if (!prt) {
                 return -ENOMEM;
         }
-        memset(prt, 0, buffer.length);
         buffer.pointer = prt;
 
         status = acpi_get_irq_routing_table(handle, &buffer);