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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-05-12 11:08:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-22 10:38:30 +0200 |
| commit | d744ccbfb5aeb451617cc6b73a3fa0a102db0c2c (patch) | |
| tree | f9a596406b04b24af0f5241a3e8d4eb70b7d6a05 /kernel/sched/rt.c | |
| parent | c5534ba6d4a6bec37ee7849b3c32f0ec31aba691 (diff) | |
xhci: Do not use GFP_KERNEL in (potentially) atomic context
commit dda32c00c9a0fa103b5d54ef72c477b7aa993679 upstream.
'xhci_urb_enqueue()' is passed a 'mem_flags' argument, because "URBs may be
submitted in interrupt context" (see comment related to 'usb_submit_urb()'
in 'drivers/usb/core/urb.c')
So this flag should be used in all the calling chain.
Up to now, 'xhci_check_maxpacket()' which is only called from
'xhci_urb_enqueue()', uses GFP_KERNEL.
Be safe and pass the mem_flags to this function as well.
Fixes: ddba5cd0aeff ("xhci: Use command structures when queuing commands on the command ring")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210512080816.866037-4-mathias.nyman@linux.intel.com
[iwamatsu: Adjust context]
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/sched/rt.c')
0 files changed, 0 insertions, 0 deletions