From: Dan Carpenter <error27@xxxxxxxxx>
acpi_device_class can only be 19 characters and a NULL terminator.
With the current name we get a buffer overflow in acpi_smbus_hc_add()
when we do:
strcpy(acpi_device_class(device), ACPI_SMB_HC_CLASS);
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Cc: Alexey Starikovskiy <astarikovskiy@xxxxxxx>
Cc: Len Brown <lenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/acpi/sbshc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/acpi/sbshc.c~sbshc-acpi_device_class-smbus_host_controller-too-long drivers/acpi/sbshc.c
--- a/drivers/acpi/sbshc.c~sbshc-acpi_device_class-smbus_host_controller-too-long
+++ a/drivers/acpi/sbshc.c
@@ -18,7 +18,7 @@
#define PREFIX "ACPI: "
-#define ACPI_SMB_HC_CLASS "smbus_host_controller"
+#define ACPI_SMB_HC_CLASS "smbus_host_ctl"
#define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC"
struct acpi_smb_hc {
_
--
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