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USB: use GFP_NOIO in reset path

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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: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum 2008-01-10 10:31:48 +01:00 committed by Greg Kroah-Hartman
parent 4bb0ef193b
commit 0cc1a51ff3
1 changed files with 1 additions and 1 deletions
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drivers/usb/core/hub.c
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@ -2946,7 +2946,7 @@ static int config_descriptors_changed(struct usb_device *udev)
if (len < le16_to_cpu(udev->config[index].desc.wTotalLength)) if (len < le16_to_cpu(udev->config[index].desc.wTotalLength))
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) { if (buf == NULL) {
dev_err(&udev->dev, "no mem to re-read configs after reset\n"); dev_err(&udev->dev, "no mem to re-read configs after reset\n");
/* assume the worst */ /* assume the worst */