From dc05ac0f2f3a5b2f301e2790afe45cb11cf0258f Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 6 Nov 2018 15:21:20 -0700 Subject: [PATCH] cros_ec: Fail if we cannot determine the flash burst size This value is required for flashing to work correctly. Add a check for it. Signed-off-by: Simon Glass --- drivers/misc/cros_ec.c | 3 +++ 1 file changed, 3 insertions(+) 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. -- 2.39.5