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Commit f97259e3 authored by Jonathan Corbet's avatar Jonathan Corbet
Browse files

vcs: BKL pushdown 



Add explicit BKL to vcs_open().

Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 609f9e92

drivers/char/vc_screen.c

+7 −2
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <linux/kbd_kern.h>

#include <linux/console.h>

#include <linux/device.h>

#include <linux/smp_lock.h>



#include <asm/uaccess.h>

#include <asm/byteorder.h>
@@ -460,9 +461,13 @@ static int 
vcs_open(struct inode *inode, struct file *filp)

{

	unsigned int currcons = iminor(inode) & 127;

	int ret = 0;

	

	lock_kernel();

	if(currcons && !vc_cons_allocated(currcons-1))

		return -ENXIO;

	return 0;

		ret = -ENXIO;

	unlock_kernel();

	return ret;

}



static const struct file_operations vcs_fops = {