Commit 12249873 authored Oct 08, 2013 by Andre Richter Committed by H. Peter Anvin Oct 08, 2013

x86, msr: Use file_inode(), not f_mapping->host

As discussed in [1], exchange f_mapping->host with file_inode().  This
is a bug, but happens to be non-manifest in this case.

[1] http://lkml.kernel.org/r/20131007190357.GA13318@ZenIV.linux.org.uk



Signed-off-by: Andre Richter <andre.o.richter@gmail.com>
Link: http://lkml.kernel.org/r/1381224142-3267-1-git-send-email-andre.o.richter@gmail.com


Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

parent 49449c30

arch/x86/kernel/msr.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@ static struct class *msr_class;
		static loff_t msr_seek(struct file *file, loff_t offset, int orig)
		{
		loff_t ret;
		struct inode *inode = file->f_mapping->host;
		struct inode *inode = file_inode(file);

		mutex_lock(&inode->i_mutex);
		switch (orig) {