From: Luca Weiss <[email protected]>
Let the caller pick the initial buffer size, which also makes the
-NOSPACE retry path reachable from a test by passing a tiny hint.
This is a backport of dtc commit 3f29d6d85c24 ("pylibfdt: add size_hint
parameter for get_path").
Signed-off-by: Luca Weiss <[email protected]>
Signed-off-by: David Gibson <[email protected]>
[adapt to U-Boot]
Signed-off-by: Alexey Charkov <[email protected]>
---
scripts/dtc/pylibfdt/libfdt.i_shipped | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/scripts/dtc/pylibfdt/libfdt.i_shipped
b/scripts/dtc/pylibfdt/libfdt.i_shipped
index 2a7fdfb2af40..6a900265459d 100644
--- a/scripts/dtc/pylibfdt/libfdt.i_shipped
+++ b/scripts/dtc/pylibfdt/libfdt.i_shipped
@@ -447,11 +447,12 @@ class FdtRo(object):
"""
return fdt_get_alias(self._fdt, name)
- def get_path(self, nodeoffset, quiet=()):
+ def get_path(self, nodeoffset, size_hint=1024, quiet=()):
"""Get the full path of a node
Args:
nodeoffset: Node offset to check
+ size_hint: Hint for size of returned string
Returns:
Full path to the node
@@ -459,11 +460,10 @@ class FdtRo(object):
Raises:
FdtException if an error occurs
"""
- size = 1024
while True:
- ret, path = fdt_get_path(self._fdt, nodeoffset, size)
+ ret, path = fdt_get_path(self._fdt, nodeoffset, size_hint)
if ret == -NOSPACE:
- size = size * 2
+ size_hint *= 2
continue
err = check_err(ret, quiet)
if err:
--
2.54.0
