drivers: staging: dgrp: using time_is_before_jiffies() instead of open coding 'jiffies'
Need use the proper jiffy comparison macros/functions instead of open coding 'jiffies'. The original 'comparation' is always true. The related warning (with 'EXTRA_CFLAGS=-W') drivers/staging/dgrp/dgrp_net_ops.c:1610:10: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1607,7 +1607,7 @@ static int dgrp_send(struct nd_struct *nd, long tmax)
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if ((ch->ch_pun.un_flag & UN_LOW) != 0 ?
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(n <= TBUF_LOW) :
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(ch->ch_pun.un_flag & UN_TIME) != 0 ?
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((jiffies - ch->ch_waketime) >= 0) :
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time_is_before_jiffies(ch->ch_waketime) :
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(n == 0 && ch->ch_s_tpos == ch->ch_s_tin) &&
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((ch->ch_pun.un_flag & UN_EMPTY) != 0 ||
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((ch->ch_tun.un_open_count &&
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