[PATCH 4/4] vsprintf: print OF node name using full_name

From: Rob Herring
Date: Tue Aug 28 2018 - 11:53:03 EST


In preparation to remove the node name pointer from struct device_node,
convert the node name print to get the node name from the full name.

Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
lib/vsprintf.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index d5b3a3f95c01..891c282092a0 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1596,6 +1596,7 @@ char *device_node_string(char *buf, char *end, struct device_node *dn,
fmt = "f";

for (pass = false; strspn(fmt,"fnpPFcC"); fmt++, pass = true) {
+ int precision;
if (pass) {
if (buf < end)
*buf = ':';
@@ -1607,7 +1608,11 @@ char *device_node_string(char *buf, char *end, struct device_node *dn,
buf = device_node_gen_full_name(dn, buf, end);
break;
case 'n': /* name */
- buf = string(buf, end, dn->name, str_spec);
+ p = kbasename(of_node_full_name(dn));
+ precision = str_spec.precision;
+ str_spec.precision = strchrnul(p, '@') - p;
+ buf = string(buf, end, p, str_spec);
+ str_spec.precision = precision;
break;
case 'p': /* phandle */
buf = number(buf, end, (unsigned int)dn->phandle, num_spec);
--
2.17.1