From: Thierry Reding <treding@xxxxxxxxxx>
The rate_control_cap_mask() function takes a parameter mcs_mask, which
GCC will take to be u8 * even though it was declared with a fixed size.
This causes the following warning:
net/mac80211/rate.c: In function 'rate_control_cap_mask':
net/mac80211/rate.c:719:25: warning: 'sizeof' on array function parameter 'mcs_mask' will return size of 'u8 * {aka unsigned char *}' [-Wsizeof-array-argument]
for (i = 0; i < sizeof(mcs_mask); i++)
^
net/mac80211/rate.c:684:10: note: declared here
u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN],
^
This can be easily fixed by using the IEEE80211_HT_MCS_MASK_LEN directly
within the loop condition.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
net/mac80211/rate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 9857693b91ec..9ce8883d5f44 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -716,7 +716,7 @@ static bool rate_control_cap_mask(struct ieee80211_sub_if_data *sdata,
/* Filter out rates that the STA does not support */
*mask &= sta->supp_rates[sband->band];
- for (i = 0; i < sizeof(mcs_mask); i++)
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
mcs_mask[i] &= sta->ht_cap.mcs.rx_mask[i];
sta_vht_cap = sta->vht_cap.vht_mcs.rx_mcs_map;
--
2.4.5
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