Commit 9c27896a authored by 蒋家盛's avatar 蒋家盛 Committed by Oded Gabbay
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habanalabs: Add check for pci_enable_device 



As the potential failure of the pci_enable_device(),
it should be better to check the return value and return
error if fails.

Fixes: 70b2f993 ("habanalabs: create common folder")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent a78b07dc

drivers/misc/habanalabs/common/debugfs.c

+2 −0
Original line number Diff line number Diff line
@@ -890,6 +890,8 @@ static ssize_t hl_set_power_state(struct file *f, const char __user *buf, 
		pci_set_power_state(hdev->pdev, PCI_D0);

		pci_restore_state(hdev->pdev);

		rc = pci_enable_device(hdev->pdev);

		if (rc < 0)

			return rc;

	} else if (value == 2) {

		pci_save_state(hdev->pdev);

		pci_disable_device(hdev->pdev);