Author: Tapasweni Pathak <tapaswenipathak@gmail.com> To avoid deadlock, do not call blocking functions with spinlocks held. Replace GFP_KERNEL with GFP_ATOMIC, as the latter will fail if the pile doesn’t have enough free pages but will not sleep and hence deadlock can be avoided. Found by Coccinelle. Signed-off-by: Tapasweni Pathak Signed-off-by: Greg Kroah-Hartman — drivers/staging/emxx_udc/emxx_udc.c | 2 …