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qcacmn: Dynamically allocate ch_list in wifi_pos_pdev_iterator()

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Dynamically allocate ch_list in wifi_pos_pdev_iterator(), to avoid
exceeding the stack frame limit with the introduction of new channels.

Change-Id: I41aaa3ad0405a3023768e5278dacf7475524c4e0
CRs-Fixed: 2463009
This commit is contained in:
Hariharan Basuthkar
2019-08-07 17:55:30 +05:30
committed by nshrivas
parent 5276ece978
commit 43168e82c6
1 changed files with 12 additions and 2 deletions
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14
umac/wifi_pos/src/wifi_pos_main.c
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@@ -713,21 +713,31 @@ static void wifi_pos_pdev_iterator(struct wlan_objmgr_psoc *psoc,
void *obj, void *arg) void *obj, void *arg)
{ {
QDF_STATUS status; QDF_STATUS status;
uint8_t i, num_channels; uint8_t i, num_channels, size;
struct wlan_objmgr_pdev *pdev = obj; struct wlan_objmgr_pdev *pdev = obj;
struct wifi_pos_driver_caps *caps = arg; struct wifi_pos_driver_caps *caps = arg;
struct channel_power ch_list[NUM_CHANNELS]; struct channel_power *ch_list;
size = QDF_MAX(OEM_CAP_MAX_NUM_CHANNELS, NUM_CHANNELS);
ch_list = qdf_mem_malloc(size * sizeof(*ch_list));
if (!ch_list)
return;
status = wlan_reg_get_channel_list_with_power(pdev, ch_list, status = wlan_reg_get_channel_list_with_power(pdev, ch_list,
&num_channels); &num_channels);
if (QDF_IS_STATUS_ERROR(status)) { if (QDF_IS_STATUS_ERROR(status)) {
wifi_pos_err("Failed to get valid channel list"); wifi_pos_err("Failed to get valid channel list");
qdf_mem_free(ch_list);
return; return;
} }
if (num_channels > OEM_CAP_MAX_NUM_CHANNELS)
num_channels = OEM_CAP_MAX_NUM_CHANNELS;
for (i = 0; i < num_channels; i++) for (i = 0; i < num_channels; i++)
caps->channel_list[i] = ch_list[i].chan_num; caps->channel_list[i] = ch_list[i].chan_num;
caps->num_channels = num_channels; caps->num_channels = num_channels;
qdf_mem_free(ch_list);
} }
static void wifi_pos_get_ch_info(struct wlan_objmgr_psoc *psoc, static void wifi_pos_get_ch_info(struct wlan_objmgr_psoc *psoc,