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qcacmn: Fix uninitialized srng access in monitor mode

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In monitor mode buffer replenish ring is accessed without
getting initialized for configuring low threshold value.
Add check to avoid uninitialized srng pointer access.

Change-Id: If5dc98d4c1db939ef762749392ec42d46a4ae1f3
CRs-Fixed: 2704586
This commit is contained in:
Karthik Kantamneni
2020-06-05 23:22:32 +05:30
committed by nshrivas
parent a76f88adb8
commit e53dbab838
1 changed files with 9 additions and 6 deletions
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15
dp/wifi3.0/dp_main.c
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@@ -6508,12 +6508,15 @@ static QDF_STATUS dp_vdev_set_monitor_mode(struct cdp_soc_t *soc,
* configured.
*/
mon_buf_ring = &pdev->soc->rxdma_mon_buf_ring[mac_for_pdev];
num_entries = mon_buf_ring->num_entries;
hal_set_low_threshold(pdev->soc->rxdma_mon_buf_ring[mac_for_pdev].hal_srng,
num_entries >> 3);
htt_srng_setup(pdev->soc->htt_handle, pdev->pdev_id,
pdev->soc->rxdma_mon_buf_ring[mac_for_pdev]
.hal_srng, RXDMA_MONITOR_BUF);
if (mon_buf_ring->hal_srng) {
num_entries = mon_buf_ring->num_entries;
hal_set_low_threshold(mon_buf_ring->hal_srng,
num_entries >> 3);
htt_srng_setup(pdev->soc->htt_handle,
pdev->pdev_id,
mon_buf_ring->hal_srng,
RXDMA_MONITOR_BUF);
}
}
dp_soc_config_full_mon_mode(pdev, DP_FULL_MON_ENABLE);