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authorSascha Hauer <s.hauer@pengutronix.de>2018-01-17 14:19:13 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2018-01-17 14:21:08 +0100
commit11bc2f40415299028576fb88da1caa8f1561ebe5 (patch)
tree343a63f0e6eb5e2bcf94496fe31eabd4e8af7c2f
parentdb02aac6be9267ccc1a93ffec6c1f49352cf719a (diff)
downloadbarebox-11bc2f40415299028576fb88da1caa8f1561ebe5.tar.gz
barebox-11bc2f40415299028576fb88da1caa8f1561ebe5.tar.xz
FIT: Fix error path
In case of error of_unflatten_dtb() returns an ERR_PTR. Make sure that handle->root contains NULL in this case so that we do not call of_delete_node on the error pointer in the exit path. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--common/image-fit.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/common/image-fit.c b/common/image-fit.c
index 81433e6ecf..db5d142147 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -584,6 +584,7 @@ struct fit_handle *fit_open(const char *filename, const char *config, bool verbo
{
struct fit_handle *handle = NULL;
const char *desc = "(no description)";
+ struct device_node *root;
int ret;
handle = xzalloc(sizeof(struct fit_handle));
@@ -596,12 +597,13 @@ struct fit_handle *fit_open(const char *filename, const char *config, bool verbo
goto err;
}
- handle->root = of_unflatten_dtb(handle->fit);
- if (IS_ERR(handle->root)) {
- ret = PTR_ERR(handle->root);
+ root = of_unflatten_dtb(handle->fit);
+ if (IS_ERR(root)) {
+ ret = PTR_ERR(root);
goto err;
}
+ handle->root = root;
handle->verify = verify;
of_property_read_string(handle->root, "description", &desc);