Commit-ID:  122498738417c73943b71294c60ec34fc110f5d6
Gitweb:     http://git.kernel.org/tip/122498738417c73943b71294c60ec34fc110f5d6
Author:     Andre Richter <[email protected]>
AuthorDate: Tue, 8 Oct 2013 11:22:22 +0200
Committer:  H. Peter Anvin <[email protected]>
CommitDate: Tue, 8 Oct 2013 12:01:29 -0700

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/[email protected]

Signed-off-by: Andre Richter <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: H. Peter Anvin <[email protected]>
---
 arch/x86/kernel/msr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 88458fa..05266b5 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -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) {
--
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