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authorGustavo A. R. Silva <gustavoars@kernel.org>2022-03-07 20:48:00 +0300
committerKalle Valo <quic_kvalo@quicinc.com>2022-03-09 18:05:58 +0300
commit324edddf2505a240a9226735dbbf3d5dc2b4a24d (patch)
treea1f5cc04d5b878928d6d92b4426eb61a7c6303f1 /drivers/net/wireless/ath/ath6kl/wmi.c
parent1ec7ed5163c70a0d040150d2279f932c7e7c143f (diff)
downloadlinux-324edddf2505a240a9226735dbbf3d5dc2b4a24d.tar.xz
ath6kl: wmi: Replace one-element array with flexible-array member in struct wmi_begin_scan_cmd
Replace one-element array with flexible-array member in struct wmi_begin_scan_cmd. Also, make use of the struct_size() helper. 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@quicinc.com> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/1ef801ea24475501fa0f296cb5435a440135206e.1645736204.git.gustavoars@kernel.org
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/wmi.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/wmi.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index bd1ef6334997..e1c950014f3e 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -2008,7 +2008,7 @@ int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
struct ieee80211_supported_band *sband;
struct sk_buff *skb;
struct wmi_begin_scan_cmd *sc;
- s8 size, *supp_rates;
+ s8 *supp_rates;
int i, band, ret;
struct ath6kl *ar = wmi->parent_dev;
int num_rates;
@@ -2023,18 +2023,13 @@ int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
num_chan, ch_list);
}
- size = sizeof(struct wmi_begin_scan_cmd);
-
if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
return -EINVAL;
if (num_chan > WMI_MAX_CHANNELS)
return -EINVAL;
- if (num_chan)
- size += sizeof(u16) * (num_chan - 1);
-
- skb = ath6kl_wmi_get_new_buf(size);
+ skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));
if (!skb)
return -ENOMEM;