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PCI: switchtec: Replace manual locks with guard 

Replace lock/unlock pairs with guards to simplify and tidy up the code.

Generated-by: Coccinelle SmPL

Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Link: https://patch.msgid.link/20250828093556.810911-1-karanja99erick@gmail.com
This commit is contained in:
Erick Karanja 2025-08-28 12:35:55 +03:00 committed by Bjorn Helgaas
parent 8f5ae30d69
commit f2543da14d
1 changed files with 11 additions and 12 deletions
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7
drivers/pci/switch/switchtec.c
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@ -269,10 +269,9 @@ static void mrpc_event_work(struct work_struct *work)
dev_dbg(&stdev->dev, "%s\n", __func__); dev_dbg(&stdev->dev, "%s\n", __func__);
mutex_lock(&stdev->mrpc_mutex); guard(mutex)(&stdev->mrpc_mutex);
cancel_delayed_work(&stdev->mrpc_timeout); cancel_delayed_work(&stdev->mrpc_timeout);
mrpc_complete_cmd(stdev); mrpc_complete_cmd(stdev);
mutex_unlock(&stdev->mrpc_mutex);
} }
static void mrpc_error_complete_cmd(struct switchtec_dev *stdev) static void mrpc_error_complete_cmd(struct switchtec_dev *stdev)
@ -1322,7 +1321,7 @@ static void stdev_kill(struct switchtec_dev *stdev)
cancel_delayed_work_sync(&stdev->mrpc_timeout); cancel_delayed_work_sync(&stdev->mrpc_timeout);
/* Mark the hardware as unavailable and complete all completions */ /* Mark the hardware as unavailable and complete all completions */
mutex_lock(&stdev->mrpc_mutex); scoped_guard (mutex, &stdev->mrpc_mutex) {
stdev->alive = false; stdev->alive = false;
/* Wake up and kill any users waiting on an MRPC request */ /* Wake up and kill any users waiting on an MRPC request */
@ -1333,7 +1332,7 @@ static void stdev_kill(struct switchtec_dev *stdev)
stuser_put(stuser); stuser_put(stuser);
} }
mutex_unlock(&stdev->mrpc_mutex); }
/* Wake up any users waiting on event_wq */ /* Wake up any users waiting on event_wq */
wake_up_interruptible(&stdev->event_wq); wake_up_interruptible(&stdev->event_wq);