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mailbox: Not protect module_put with spin_lock_irqsave

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&chan->lock is not supposed to protect 'chan->mbox'.
And in __mbox_bind_client, try_module_get is also not protected
by &chan->lock. So move module_put out of the lock protected
region.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
This commit is contained in:
Peng Fan
2025-04-11 21:14:10 +08:00
committed by Jassi Brar
parent 8da4988b6e
commit dddbd233e6
1 changed files with 1 additions and 1 deletions
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2
drivers/mailbox/mailbox.c
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@@ -486,8 +486,8 @@ void mbox_free_channel(struct mbox_chan *chan)
if (chan->txdone_method == TXDONE_BY_ACK)
chan->txdone_method = TXDONE_BY_POLL;
module_put(chan->mbox->dev->driver->owner);
spin_unlock_irqrestore(&chan->lock, flags);
module_put(chan->mbox->dev->driver->owner);
}
EXPORT_SYMBOL_GPL(mbox_free_channel);