[PATCH] bluetooth: mgmt: Replace zero-length array with flexible-array member

From: cgel . zte
Date: Thu Jan 20 2022 - 20:35:26 EST


From: Changcheng Deng <deng.changcheng@xxxxxxxxxx>

There is a regular need in the kernel to provide a way to declare having
a dynamically sized set of trailing elements in a structure. Kernel code
should always use "flexible array members" for these cases. The older
style of one-element or zero-length arrays should no longer be used.
Reference:
https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Changcheng Deng <deng.changcheng@xxxxxxxxxx>
---
include/net/bluetooth/mgmt.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 99266f7aebdc..3d26e6a3478b 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -1112,7 +1112,7 @@ struct mgmt_ev_adv_monitor_device_found {
__s8 rssi;
__le32 flags;
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;

#define MGMT_EV_ADV_MONITOR_DEVICE_LOST 0x0030
--
2.25.1