[XFS] fix instant oops with tracing enabled
We can only read inode->i_count if the inode is actually there and not a
NULL pointer. This was introduced in one of the recent sync patches.
SGI-PV: 988255
SGI-Modid: xfs-linux-melb:xfs-kern:32315a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c
index dceb6db..ac827d2 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.c
+++ b/fs/xfs/linux-2.6/xfs_vnode.c
@@ -92,7 +92,7 @@
{
struct inode *inode = VFS_I(ip);
- if (!inode)
+ if (inode)
return atomic_read(&inode->i_count);
return -1;
}