[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>
This commit is contained in:
Christoph Hellwig 2008-10-30 17:21:10 +11:00 committed by Lachlan McIlroy
parent 76bf105cb1
commit 3471394ba5

View File

@ -92,7 +92,7 @@ static inline int xfs_icount(struct xfs_inode *ip)
{ {
struct inode *inode = VFS_I(ip); struct inode *inode = VFS_I(ip);
if (!inode) if (inode)
return atomic_read(&inode->i_count); return atomic_read(&inode->i_count);
return -1; return -1;
} }