sbus-rtc: BKL pushdown (5ab0854d) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/sbus/char/rtc.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@
		*/

		#include <linux/module.h>
		#include <linux/smp_lock.h>
		#include <linux/types.h>
		#include <linux/errno.h>
		#include <linux/miscdevice.h>
		@@ -213,6 +214,7 @@ static int rtc_open(struct inode inode, struct file file)
		{
		int ret;

		lock_kernel();
		spin_lock_irq(&mostek_lock);
		if (rtc_busy) {
		ret = -EBUSY;
		@@ -221,6 +223,7 @@ static int rtc_open(struct inode inode, struct file file)
		ret = 0;
		}
		spin_unlock_irq(&mostek_lock);
		unlock_kernel();

		return ret;
		}