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-rw-r--r--src/drivers/pc80/rtc/mc146818rtc.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/drivers/pc80/rtc/mc146818rtc.c b/src/drivers/pc80/rtc/mc146818rtc.c
index f6c748d0cb..abf8b2556f 100644
--- a/src/drivers/pc80/rtc/mc146818rtc.c
+++ b/src/drivers/pc80/rtc/mc146818rtc.c
@@ -241,7 +241,7 @@ static enum cb_err get_cmos_value(unsigned long bit, unsigned long length,
static enum cb_err locate_cmos_layout(struct region_device *rdev)
{
uint32_t cbfs_type = CBFS_COMPONENT_CMOS_LAYOUT;
- struct cbfsf fh;
+ MAYBE_STATIC_BSS struct cbfsf fh = {};
/*
* In case VBOOT is enabled and this function is called from SMM,
@@ -250,11 +250,13 @@ static enum cb_err locate_cmos_layout(struct region_device *rdev)
*
* Support only one CMOS layout in the 'COREBOOT' region for now.
*/
- if (cbfs_locate_file_in_region(&fh, "COREBOOT", "cmos_layout.bin",
- &cbfs_type)) {
- printk(BIOS_ERR, "RTC: cmos_layout.bin could not be found. "
+ if (!region_device_sz(&(fh.data))) {
+ if (cbfs_locate_file_in_region(&fh, "COREBOOT", "cmos_layout.bin",
+ &cbfs_type)) {
+ printk(BIOS_ERR, "RTC: cmos_layout.bin could not be found. "
"Options are disabled\n");
- return CB_CMOS_LAYOUT_NOT_FOUND;
+ return CB_CMOS_LAYOUT_NOT_FOUND;
+ }
}
cbfs_file_data(rdev, &fh);