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Commit bd05f28e authored Mar 03, 2009 by Roel Kluin Committed by John W. Linville Mar 06, 2009

cfg80211: test before subtraction on unsigned



freq_diff is unsigned, so test before subtraction

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 623d563e

net/wireless/reg.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -380,7 +380,8 @@ static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)

		freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz;

		if (freq_diff <= 0 \|\| freq_range->max_bandwidth_khz > freq_diff)
		if (freq_range->end_freq_khz <= freq_range->start_freq_khz \|\|
		freq_range->max_bandwidth_khz > freq_diff)
		return false;

		return true;