commit c5083e176750d02d8bf50c1960eba7e1d37dba1d
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Thu Sep 18 23:20:58 2008 -0400
Unionfs: unionfs_permission locking fixes
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/inode.c b/fs/unionfs/inode.c
index f5d0b1e..1c6b8d8 100644
--- a/fs/unionfs/inode.c
+++ b/fs/unionfs/inode.c
@@ -789,6 +789,7 @@ static int unionfs_permission(struct inode *inode, int mask,
int bindex, bstart, bend;
const int is_file = !S_ISDIR(inode->i_mode);
const int write_mask = (mask & MAY_WRITE) && !(mask & MAY_READ);
+ struct inode *inode_grabbed = igrab(inode);
if (nd)
unionfs_lock_dentry(nd->dentry, UNIONFS_DMUTEX_CHILD);
@@ -869,6 +870,7 @@ out:
unionfs_check_nd(nd);
if (nd)
unionfs_unlock_dentry(nd->dentry);
+ iput(inode_grabbed);
return err;
}
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