bvme6000-rtc: BKL pushdown (122bc5ea) · Commits · e / devices / android_kernel_fairphone_FP4

arch/m68k/bvme6000/rtc.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -10,6 +10,7 @@
		#include <linux/errno.h>
		#include <linux/miscdevice.h>
		#include <linux/slab.h>
		#include <linux/smp_lock.h>
		#include <linux/ioport.h>
		#include <linux/capability.h>
		#include <linux/fcntl.h>
		@@ -140,10 +141,14 @@ static int rtc_ioctl(struct inode inode, struct file file, unsigned int cmd,

		static int rtc_open(struct inode inode, struct file file)
		{
		if(rtc_status)
		lock_kernel();
		if(rtc_status) {
		unlock_kernel();
		return -EBUSY;
		}

		rtc_status = 1;
		unlock_kernel();
		return 0;
		}