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authorSimon Glass <sjg@chromium.org>2022-09-07 05:27:03 +0300
committerTom Rini <trini@konsulko.com>2022-09-29 23:07:58 +0300
commitc3a194dec97be3ceb74ba2c980e635aee1644d94 (patch)
tree3a6cc834b0952633c6a9b6684a65bcbaaa28361c /drivers/core
parentffe90392497898ccd8000e695901853e192a9007 (diff)
downloadu-boot-c3a194dec97be3ceb74ba2c980e635aee1644d94.tar.xz
dm: core: Support writing a property to an empty node
At present this does not work with livetree. Fix it and add a test. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core')
-rw-r--r--drivers/core/of_access.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c
index de6327199a..8631e1c286 100644
--- a/drivers/core/of_access.c
+++ b/drivers/core/of_access.c
@@ -947,9 +947,6 @@ int of_write_prop(struct device_node *np, const char *propname, int len,
pp_last = pp;
}
- if (!pp_last)
- return -ENOENT;
-
/* Property does not exist -> append new property */
new = malloc(sizeof(struct property));
if (!new)
@@ -965,7 +962,10 @@ int of_write_prop(struct device_node *np, const char *propname, int len,
new->length = len;
new->next = NULL;
- pp_last->next = new;
+ if (pp_last)
+ pp_last->next = new;
+ else
+ np->properties = new;
return 0;
}