ds1286: BKL pushdown (7ccef463) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/char/ds1286.c

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -27,6 +27,7 @@
	* option) any later version.		* option) any later version.
	*/		*/
	#include <linux/ds1286.h>		#include <linux/ds1286.h>
			#include <linux/smp_lock.h>
	#include <linux/types.h>		#include <linux/types.h>
	#include <linux/errno.h>		#include <linux/errno.h>
	#include <linux/miscdevice.h>		#include <linux/miscdevice.h>
	@@ -252,6 +253,7 @@ static int ds1286_ioctl(struct inode inode, struct file file,

	static int ds1286_open(struct inode inode, struct file file)		static int ds1286_open(struct inode inode, struct file file)
	{		{
			lock_kernel();
	spin_lock_irq(&ds1286_lock);		spin_lock_irq(&ds1286_lock);

	if (ds1286_status & RTC_IS_OPEN)		if (ds1286_status & RTC_IS_OPEN)
	@@ -260,10 +262,12 @@ static int ds1286_open(struct inode inode, struct file file)
	ds1286_status \|= RTC_IS_OPEN;		ds1286_status \|= RTC_IS_OPEN;

	spin_unlock_irq(&ds1286_lock);		spin_unlock_irq(&ds1286_lock);
			unlock_kernel();
	return 0;		return 0;

	out_busy:		out_busy:
	spin_lock_irq(&ds1286_lock);		spin_lock_irq(&ds1286_lock);
			unlock_kernel();
	return -EBUSY;		return -EBUSY;
	}		}