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carl9170: devres ar->survey_info

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driver keeps the same survey_info struct for its lifetime around.
This is used because while firmware does help by providing accounting
information of the current channel, it doesn't keep track on the
remaining channels.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/9b9a059b384f49587f4384ba47f01d3fb2115b22.1646250537.git.chunkeey@gmail.com
This commit is contained in:
Christian Lamparter 2022-03-02 20:51:38 +01:00 • committed by Kalle Valo
parent a8da65f901
commit 83fe43abda
1 changed files with 2 additions and 4 deletions
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6
drivers/net/wireless/ath/carl9170/main.c
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@ -1916,7 +1916,8 @@ static int carl9170_parse_eeprom(struct ar9170 *ar)
if (!bands)
return -EINVAL;
ar->survey = kcalloc(chans, sizeof(struct survey_info), GFP_KERNEL);
ar->survey = devm_kcalloc(&ar->udev->dev, chans,
sizeof(struct survey_info), GFP_KERNEL);
if (!ar->survey)
return -ENOMEM;
ar->num_channels = chans;
@ -2046,9 +2047,6 @@ void carl9170_free(struct ar9170 *ar)
kfree_skb(ar->rx_failover);
ar->rx_failover = NULL;
kfree(ar->survey);
ar->survey = NULL;
mutex_destroy(&ar->mutex);
ieee80211_free_hw(ar->hw);