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interface: Fix possbile segfault
author
Hans Dedecker
<dedeckeh@gmail.com>
Mon, 1 Feb 2016 09:56:22 +0000
(10:56 +0100)
committer
Felix Fietkau
<nbd@openwrt.org>
Mon, 1 Feb 2016 10:09:57 +0000
(11:09 +0100)
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
interface.c
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diff --git
a/interface.c
b/interface.c
index 2aab37cc9ecdf97949c94a9a62d44633fa3e4785..7b18cef58a47d8aed15c0e568652a54b1d8d2ae7 100644
(file)
--- a/
interface.c
+++ b/
interface.c
@@
-189,6
+189,9
@@
interface_add_data(struct interface *iface, const struct blob_attr *data)
}
n = calloc(1, sizeof(*n) + len);
+ if (!n)
+ return UBUS_STATUS_UNKNOWN_ERROR;
+
memcpy(n->data, data, len);
n->node.key = blobmsg_name(n->data);
avl_insert(&iface->data, &n->node);