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wifi: ray_cs: add sanity check on local->sram/rmem/amem

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The ray_config uses ray_release as its unified error handling function.
However, it does not know if local->sram/rmem/amem succeeds or not.

Fix this by adding sanity check on local->sram/rmem/amem in the
ray_relase.

Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230316133236.556198-3-dzm91@hust.edu.cn
This commit is contained in:
Dongliang Mu
2023-03-16 21:32:36 +08:00
committed by Kalle Valo
parent daef020558
commit 072210c725
1 changed files with 6 additions and 3 deletions
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9
drivers/net/wireless/legacy/ray_cs.c
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@@ -738,9 +738,12 @@ static void ray_release(struct pcmcia_device *link)
del_timer_sync(&local->timer);
iounmap(local->sram);
iounmap(local->rmem);
iounmap(local->amem);
if (local->sram)
iounmap(local->sram);
if (local->rmem)
iounmap(local->rmem);
if (local->amem)
iounmap(local->amem);
pcmcia_disable_device(link);
dev_dbg(&link->dev, "ray_release ending\n");