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carl9170: clean up a clamp() call

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The parameter order for clamp is supposed to be clamp(value, low, high).
When we write it in this order it's equivalent to
min(head->plcp[3] & 0x7f, 75) which works in this context where the min
is zero.  But it's not a correct use of the API.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Dan Carpenter 2019-02-18 12:31:54 +03:00 committed by Kalle Valo
parent b9b81d152c
commit dc76bb1e12
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/carl9170/rx.c
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@ -427,7 +427,7 @@ static int carl9170_rx_mac_status(struct ar9170 *ar,
if (head->plcp[6] & 0x80)
status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
status->rate_idx = clamp(0, 75, head->plcp[3] & 0x7f);
status->rate_idx = clamp(head->plcp[3] & 0x7f, 0, 75);
status->encoding = RX_ENC_HT;
break;