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-rw-r--r--src/arch/x86/acpi_device.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/arch/x86/acpi_device.c b/src/arch/x86/acpi_device.c
index f4f1c4c3b5..49439cc4a9 100644
--- a/src/arch/x86/acpi_device.c
+++ b/src/arch/x86/acpi_device.c
@@ -113,7 +113,9 @@ static size_t acpi_device_path_fill(struct device *dev, char *buf,
/* Fill in the path from the root device */
next += snprintf(buf + next, buf_len - next, "%s%s",
- dev->path.type == DEVICE_PATH_ROOT ? "" : ".", name);
+ (dev->path.type == DEVICE_PATH_ROOT
+ || (strlen(name) == 0)) ?
+ "" : ".", name);
return next;
}