uml-random: BKL pushdown (7eb500d1) · Commits · e / devices / android_kernel_xiaomi_markw

arch/um/drivers/random.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@
		* of the GNU General Public License, incorporated herein by reference.
		*/
		#include <linux/sched.h>
		#include <linux/smp_lock.h>
		#include <linux/module.h>
		#include <linux/fs.h>
		#include <linux/interrupt.h>
		@@ -33,6 +34,8 @@ static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);

		static int rng_dev_open (struct inode inode, struct file filp)
		{
		cycle_kernel_lock();

		/* enforce read-only access to this chrdev */
		if ((filp->f_mode & FMODE_READ) == 0)
		return -EINVAL;