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test: bus: Add a check that dev is not NULL

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We know that uclass_get_device() and device_find_child_by_of_offset() do
not return NULL for dev when they succeeds but coverity does not. Add an
extra check to hopefully keep it happy.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Coverity (CID: 163246)
Fixes: 0753bc2 (dm: Simple Watchdog uclass)
This commit is contained in:
Simon Glass 2017-06-07 10:28:44 -06:00 • committed by Tom Rini
parent 9eace7f59e
commit 4f414d392f
1 changed files with 3 additions and 0 deletions
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3
test/dm/bus.c
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@ -171,13 +171,16 @@ static int dm_test_bus_children_of_offset(struct unit_test_state *uts)
int node;
ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
ut_assertnonnull(bus);
/* Find a valid child */
node = fdt_path_offset(blob, "/some-bus/c-test@1");
ut_assert(node > 0);
ut_assertok(device_find_child_by_of_offset(bus, node, &dev));
ut_assertnonnull(dev);
ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
ut_assertok(device_get_child_by_of_offset(bus, node, &dev));
ut_assertnonnull(dev);
ut_assert(dev->flags & DM_FLAG_ACTIVATED);
return 0;