staging: rtlwifi: silence underflow warning (cfc70e7c) · Commits · 戴 / test

I'm not totally certain that it's necessary to put an upper limit here. I think it happens at lower levels. But if we are going to do that then we should have a lower bound as well. Signed-off-by:

Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtlwifi/core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -412,7 +412,8 @@ static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
		for (i = 0; i < wow->n_patterns; i++) {
		memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
		memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
		if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
		if (patterns[i].pattern_len < 0 \|\|
		patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
		RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
		"Pattern[%d] is too long\n", i);
		continue;

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