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carl9170: replace bitmap_zalloc with devm_bitmap_zalloc

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the mem_bitmap is kept around for the lifetime of the
driver device. This is a perfect candidate for devm.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/0a79221aa5477501c3def032e95ef8018973a514.1646250537.git.chunkeey@gmail.com
This commit is contained in:
Christian Lamparter 2022-03-02 20:51:37 +01:00 committed by Kalle Valo
parent 87ddb2fc29
commit a8da65f901
1 changed files with 1 additions and 8 deletions
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9
drivers/net/wireless/ath/carl9170/main.c
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@ -1943,11 +1943,7 @@ int carl9170_register(struct ar9170 *ar)
struct ath_regulatory *regulatory = &ar->common.regulatory;
int err = 0, i;
if (WARN_ON(ar->mem_bitmap))
return -EINVAL;
ar->mem_bitmap = bitmap_zalloc(ar->fw.mem_blocks, GFP_KERNEL);
ar->mem_bitmap = devm_bitmap_zalloc(&ar->udev->dev, ar->fw.mem_blocks, GFP_KERNEL);
if (!ar->mem_bitmap)
return -ENOMEM;
@ -2050,9 +2046,6 @@ void carl9170_free(struct ar9170 *ar)
kfree_skb(ar->rx_failover);
ar->rx_failover = NULL;
bitmap_free(ar->mem_bitmap);
ar->mem_bitmap = NULL;
kfree(ar->survey);
ar->survey = NULL;