From: Andre Richter Date: Tue, 8 Oct 2013 09:22:22 +0000 (+0200) Subject: x86, msr: Use file_inode(), not f_mapping->host X-Git-Tag: firefly_0821_release~176^2~5029^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=122498738417c73943b71294c60ec34fc110f5d6;p=firefly-linux-kernel-4.4.55.git 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 Link: http://lkml.kernel.org/r/1381224142-3267-1-git-send-email-andre.o.richter@gmail.com Signed-off-by: H. Peter Anvin --- diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 88458faea2f8..05266b5aae22 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) {