wil6210: missing length check in wmi_set_ie



Add a length check in wmi_set_ie to detect unsigned integer
overflow.

Change-Id: Id1ec6a6218f3fe6e00cc3f9a8e674f8f843273f2
Signed-off-by: Lior David <liord@codeaurora.org>

parent fbcef331

drivers/net/wireless/ath/wil6210/wmi.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -1335,8 +1335,14 @@ int wmi_set_ie(struct wil6210_priv wil, u8 type, u16 ie_len, const void ie)
		};
		int rc;
		u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
		struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL);
		struct wmi_set_appie_cmd *cmd;

		if (len < ie_len) {
		rc = -EINVAL;
		goto out;
		}

		cmd = kzalloc(len, GFP_KERNEL);
		if (!cmd) {
		rc = -ENOMEM;
		goto out;