Masami Hiramatsu 4137188c10 UPSTREAM: tracing/boot: Fix to loop on only subkeys ...

Since the commit e5efaeb8a8f5 ("bootconfig: Support mixing
a value and subkeys under a key") allows to co-exist a value
node and key nodes under a node, xbc_node_for_each_child()
is not only returning key node but also a value node.
In the boot-time tracing using xbc_node_for_each_child() to
iterate the events, groups and instances, but those must be
key nodes. Thus it must use xbc_node_for_each_subkey().

Link: https://lkml.kernel.org/r/163112988361.74896.2267026262061819145.stgit@devnote2

Fixes: e5efaeb8a8f5 ("bootconfig: Support mixing a value and subkeys under a key")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
(cherry picked from commit cfd799837dbc48499abb05d1891b3d9992354d3a)
Bug: 187129171
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: I9c6a525f2a6a09f95298d3cf8b31495d13fec91f

2022-02-11 17:30:23 -08:00

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