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Diffstat (limited to 'drivers/misc/cros_ec.c')
-rw-r--r--drivers/misc/cros_ec.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c
index e0f3dfc98e..7daf16499a 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -827,6 +827,9 @@ int cros_ec_flash_write(struct udevice *dev, const uint8_t *data,
uint32_t end, off;
int ret;
+ if (!burst)
+ return -EINVAL;
+
/*
* TODO: round up to the nearest multiple of write size. Can get away
* without that on link right now because its write size is 4 bytes.