From: Tong Zhang Date: Mon, 15 Mar 2021 19:58:12 +0000 (-0400) Subject: staging: comedi: cb_pcidas64: fix request_irq() warn X-Git-Tag: v4.19.185~39 X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=1fd2bf77bd5d054fb6e8e68cedd55c020aa82e85;p=wrapfs-4.13.y.git staging: comedi: cb_pcidas64: fix request_irq() warn [ Upstream commit d2d106fe3badfc3bf0dd3899d1c3f210c7203eab ] request_irq() wont accept a name which contains slash so we need to repalce it with something else -- otherwise it will trigger a warning and the entry in /proc/irq/ will not be created since the .name might be used by userspace and we don't want to break userspace, so we are changing the parameters passed to request_irq() [ 1.565966] name 'pci-das6402/16' [ 1.566149] WARNING: CPU: 0 PID: 184 at fs/proc/generic.c:180 __xlate_proc_name+0x93/0xb0 [ 1.568923] RIP: 0010:__xlate_proc_name+0x93/0xb0 [ 1.574200] Call Trace: [ 1.574722] proc_mkdir+0x18/0x20 [ 1.576629] request_threaded_irq+0xfe/0x160 [ 1.576859] auto_attach+0x60a/0xc40 [cb_pcidas64] Suggested-by: Ian Abbott Reviewed-by: Ian Abbott Signed-off-by: Tong Zhang Link: https://lore.kernel.org/r/20210315195814.4692-1-ztong0001@gmail.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index 631a703b345d..91403cc1bbf9 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -4021,7 +4021,7 @@ static int auto_attach(struct comedi_device *dev, init_stc_registers(dev); retval = request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED, - dev->board_name, dev); + "cb_pcidas64", dev); if (retval) { dev_dbg(dev->class_dev, "unable to allocate irq %u\n", pcidev->irq);