rtl8192_usb_probe is not called in an interrupt handler nor holding a spinlock. The function mdelay in it can be replaced with msleep, to avoid busy wait. Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx> --- drivers/staging/rtl8192u/r8192U_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 09f66b3..3c300f7 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -4998,7 +4998,7 @@ static int rtl8192_usb_probe(struct usb_interface *intf, kfree(priv->pFirmware); priv->pFirmware = NULL; rtl8192_usb_deleteendpoints(dev); - mdelay(10); + msleep(10); free_ieee80211(dev); RT_TRACE(COMP_ERR, "wlan driver load failed\n"); -- 1.7.9.5 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel