On 6/28/22 10:36, Rob Herring wrote: > On Thu, Jun 23, 2022 at 10:43:27PM -0500, frowand.list@xxxxxxxxx wrote: >> From: Frank Rowand <frank.rowand@xxxxxxxx> >> >> setup_of() now ensures that of_root node is populated with the >> root of a default devicetree. Remove the unittest code that >> created of_root if it was missing. Verify that of_root is >> valid before attempting to attach the testcase-data subtree. > > What happened with the formatting here? I'm guessing you are referring to the leading space? I pasted the text from another file into the commit message in my repo and failed to remove the leading blank. So a "typo" on my part. -Frank > >> >> Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxx> >> --- >> drivers/of/unittest.c | 16 ++++++---------- >> 1 file changed, 6 insertions(+), 10 deletions(-) >> >> diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c >> index 7f6bba18c515..9d106998c1f2 100644 >> --- a/drivers/of/unittest.c >> +++ b/drivers/of/unittest.c >> @@ -1469,20 +1469,16 @@ static int __init unittest_data_add(void) >> return -EINVAL; >> } >> >> - if (!of_root) { >> - of_root = unittest_data_node; >> - for_each_of_allnodes(np) >> - __of_attach_node_sysfs(np); >> - of_aliases = of_find_node_by_path("/aliases"); >> - of_chosen = of_find_node_by_path("/chosen"); >> - of_overlay_mutex_unlock(); >> - return 0; >> - } >> - >> EXPECT_BEGIN(KERN_INFO, >> "Duplicate name in testcase-data, renamed to \"duplicate-name#1\""); >> >> /* attach the sub-tree to live tree */ >> + if (!of_root) { >> + pr_warn("%s: no live tree to attach sub-tree\n", __func__); >> + kfree(unittest_data); >> + return -ENODEV; >> + } >> + >> np = unittest_data_node->child; >> while (np) { >> struct device_node *next = np->sibling; >> -- >> Frank Rowand <frank.rowand@xxxxxxxx> >> >>