[PATCH v2 4/6][next] ath6kl: wmi: Replace one-element array with flexible-array member in struct wmi_connect_event

From: Gustavo A. R. Silva
Date: Thu Feb 24 2022 - 16:09:24 EST


Replace one-element array with flexible-array member in struct
wmi_connect_event.

This issue was found with the help of Coccinelle and audited and fixed,
manually.

Link: https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays
Link: https://github.com/KSPP/linux/issues/79
Reviewed-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>
Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
Changes in v2:
- Revert changes in if-statement logic:
if (len < sizeof(struct wmi_connect_event))
Link: https://lore.kernel.org/linux-hardening/6106494b-a1b3-6b57-8b44-b9528127533b@xxxxxxxxxxx/
- Update changelog text.
- Add Reviewed-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> tag.

drivers/net/wireless/ath/ath6kl/wmi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h
index 432e4f428a4a..6b064e669d87 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.h
+++ b/drivers/net/wireless/ath/ath6kl/wmi.h
@@ -1545,7 +1545,7 @@ struct wmi_connect_event {
u8 beacon_ie_len;
u8 assoc_req_len;
u8 assoc_resp_len;
- u8 assoc_info[1];
+ u8 assoc_info[];
} __packed;

/* Disconnect Event */
--
2.27.0