Change in coreboot[master]: Coverity: Fix CID1393970

[Patrick Rudolph (Code Review)]

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/27453

Change subject: Coverity: Fix CID1393970
......................................................................

Coverity: Fix CID1393970

Fix possible DIVIDE_BY_ZERO.

Change-Id: I5db6866b8e51eaea201a4c03e59d7d00f4f826e7
Signed-off-by: Patrick Rudolph 
---
M src/vendorcode/cavium/bdk/libbdk-hal/bdk-usb.c
1 file changed, 3 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/27453/1

diff --git a/src/vendorcode/cavium/bdk/libbdk-hal/bdk-usb.c b/src/vendorcode/cavium/bdk/libbdk-hal/bdk-usb.c
index eb2a85f..83ce563 100644
--- a/src/vendorcode/cavium/bdk/libbdk-hal/bdk-usb.c
+++ b/src/vendorcode/cavium/bdk/libbdk-hal/bdk-usb.c
@@ -369,7 +369,9 @@
             uint64_t fr_div;
             if (divider < 5) fr_div = divider * 2;
             else fr_div = 8 * (divider - 3);
-            uint64_t freq = (typeof(freq)) (sclk_rate / fr_div);
+            uint64_t freq = 0;
+            if (fr_div > 0)
+                freq = (typeof(freq)) (sclk_rate / fr_div);
             const char *token;
             if (freq < 62500000ULL) token = "???Low";
             else if (freq < 90000000ULL) token = "USB2";