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Commit 0cc1a51f authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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USB: use GFP_NOIO in reset path 



this function will run in the context of the scsi error handler thread.
It must use GFP_NOIO instead of GFP_KERNEL to avoid a possible
deadlock.

Cc: stable <stable@kernel.org>
Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4bb0ef19

drivers/usb/core/hub.c

+1 −1
Original line number Diff line number Diff line
@@ -2946,7 +2946,7 @@ static int config_descriptors_changed(struct usb_device *udev) 
		if (len < le16_to_cpu(udev->config[index].desc.wTotalLength))

			len = le16_to_cpu(udev->config[index].desc.wTotalLength);

	}

	buf = kmalloc (len, GFP_KERNEL);

	buf = kmalloc(len, GFP_NOIO);

	if (buf == NULL) {

		dev_err(&udev->dev, "no mem to re-read configs after reset\n");

		/* assume the worst */