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diff --git a/epan/dissectors/packet-waveagent.c b/epan/dissectors/packet-waveagent.c
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index b43cbfb..0d32ae6 100644
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--- a/epan/dissectors/packet-waveagent.c
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+++ b/epan/dissectors/packet-waveagent.c
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@@ -528,21 +528,20 @@ static void dissect_wa_payload(guint32 starting_offset, proto_item *parent_tree,
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tag_len = tvb_get_ntohl(tvb, current_offset + 52);
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if (tag_len != 0) {
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- const guint8 *tag_data_ptr;
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- guint32 isr;
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-
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- tag_data_ptr = tvb_get_ptr (tvb, offset + 36, tag_len);
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+ guint32 isr;
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+ guint8 isr_value;
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for (isr = 0; isr < tag_len; isr++) {
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- if (tag_data_ptr[isr] == 0xFF){
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+ isr_value = tvb_get_guint8(tvb, offset + 36 + isr);
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+ if (isr_value == 0xFF){
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proto_tree_add_string (bss_tree, hf_waveagent_ifwlansupprates, tvb, offset + 36 + isr,
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1,
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"BSS requires support for mandatory features of HT PHY (IEEE 802.11"
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" - Clause 20)");
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} else {
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ep_strbuf_append_printf(sb, "%2.1f%s ",
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- (tag_data_ptr[isr] & 0x7F) * 0.5,
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- (tag_data_ptr[isr] & 0x80) ? "(B)" : "");
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+ (isr_value & 0x7F) * 0.5,
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+ (isr_value & 0x80) ? "(B)" : "");
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}
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}
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