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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-05 23:52:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-05 23:52:52 -0400
commita02040d8d5d533773f98e02e1a8e56db5fa7a363 (patch)
tree5b490abce2688f80a9732346cf08127bbb48a3e3 /drivers
parent0603006b450004213eeed22d4fbcc103c994c2e6 (diff)
parente976e56423dc1cc01686861fc3e0c6c0ec8cd8b7 (diff)
Merge tag 'pstore-v4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore fixes from Kees Cook: "Fixes for pstore ramoops driver to catch bad kfree() and to use better DT bindings" * tag 'pstore-v4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: ramoops: use persistent_ram_free() instead of kfree() for freeing prz ramoops: use DT reserved-memory bindings
Diffstat (limited to 'drivers')
-rw-r--r--drivers/of/platform.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 765390e3ed8d..8aa197691074 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -499,8 +499,24 @@ EXPORT_SYMBOL_GPL(of_platform_default_populate);
static int __init of_platform_default_populate_init(void)
{
- if (of_have_populated_dt())
- of_platform_default_populate(NULL, NULL, NULL);
+ struct device_node *node;
+
+ if (!of_have_populated_dt())
+ return -ENODEV;
+
+ /*
+ * Handle ramoops explicitly, since it is inside /reserved-memory,
+ * which lacks a "compatible" property.
+ */
+ node = of_find_node_by_path("/reserved-memory");
+ if (node) {
+ node = of_find_compatible_node(node, NULL, "ramoops");
+ if (node)
+ of_platform_device_create(node, NULL, NULL);
+ }
+
+ /* Populate everything else. */
+ of_platform_default_populate(NULL, NULL, NULL);
return 0;
}