Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 31 May 2023 14:10:02 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] xhci: Do not create endpoint debugfs while holding the bandwidth mutex |
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On Wed, May 31, 2023 at 02:40:02PM +0200, Ricardo Ribalda Delgado wrote: > xhci_debugfs_create_endpoint needs to take the mm->mmap_sem, which is > not serialized with the hcd->bandwidth_mutex across the codebase. > > Without this patch a deadlock has been observed with the uvc driver at > the functions v4l2_mmap() and usb_set_interface(). > > Cc: Stephen Boyd <swboyd@chromium.org
Missing ">" :(
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