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bootconfig: Change array value to use child node

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It is not possible to put an array value with subkeys under
a key node, because both of subkeys and the array elements
are using "next" field of the xbc_node.

Thus this changes the array values to use "child" field in
the array case. The reason why split this change is to
test it easily.

Link: https://lkml.kernel.org/r/162262193838.264090.16044473274501498656.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu
2021-06-02 17:18:58 +09:00
committed by Steven Rostedt (VMware)
parent ee0a07017a
commit ca24306d83
4 changed files with 24 additions and 9 deletions
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23
lib/bootconfig.c
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@@ -367,6 +367,14 @@ static inline __init struct xbc_node *xbc_last_sibling(struct xbc_node *node)
return node;
}
static inline __init struct xbc_node *xbc_last_child(struct xbc_node *node)
{
while (node->child)
node = xbc_node_get_child(node);
return node;
}
static struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
{
struct xbc_node *sib, *node = xbc_add_node(data, flag);
@@ -517,17 +525,20 @@ static int __init xbc_parse_array(char **__v)
char *next;
int c = 0;
if (last_parent->child)
last_parent = xbc_node_get_child(last_parent);
do {
c = __xbc_parse_value(__v, &next);
if (c < 0)
return c;
node = xbc_add_sibling(*__v, XBC_VALUE);
node = xbc_add_child(*__v, XBC_VALUE);
if (!node)
return -ENOMEM;
*__v = next;
} while (c == ',');
node->next = 0;
node->child = 0;
return c;
}
@@ -615,8 +626,12 @@ static int __init xbc_parse_kv(char **k, char *v, int op)
if (op == ':' && child) {
xbc_init_node(child, v, XBC_VALUE);
} else if (!xbc_add_sibling(v, XBC_VALUE))
return -ENOMEM;
} else {
if (op == '+' && child)
last_parent = xbc_last_child(child);
if (!xbc_add_sibling(v, XBC_VALUE))
return -ENOMEM;
}
if (c == ',') { /* Array */
c = xbc_parse_array(&next);