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mac80211: Do not use sizeof() on pointer type

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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 <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Thierry Reding 2015-08-26 12:22:14 +02:00 • committed by Johannes Berg
commit 98a1f8282b
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/rate.c
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@ -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;