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ionic: fix gathering of debug stats

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Don't print stats for which we haven't reserved space as it can
cause nasty memory bashing and related bad behaviors.

Fixes: aa620993b1 ("ionic: pull per-q stats work out of queue loops")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2021-09-27 14:07:18 -07:00 committed by David S. Miller
parent 3fb2a54b41
commit c23bb54f28
1 changed files with 0 additions and 9 deletions
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9
drivers/net/ethernet/pensando/ionic/ionic_stats.c
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@ -380,15 +380,6 @@ static void ionic_sw_stats_get_txq_values(struct ionic_lif *lif, u64 **buf,
&ionic_dbg_intr_stats_desc[i]); &ionic_dbg_intr_stats_desc[i]);
(*buf)++; (*buf)++;
} }
for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) {
**buf = IONIC_READ_STAT64(&txqcq->napi_stats,
&ionic_dbg_napi_stats_desc[i]);
(*buf)++;
}
for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) {
**buf = txqcq->napi_stats.work_done_cntr[i];
(*buf)++;
}
for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) { for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) {
**buf = txstats->sg_cntr[i]; **buf = txstats->sg_cntr[i];
(*buf)++; (*buf)++;