sanitize coda_dentry_delete()

d_really_is_negative(dentry) is a check for d_inode(dentry) being NULL;
rechecking that is pointless (and no, it can't race - the caller is holding
->d_lock, so ->d_inode is stable)

Signed-off-by: Al Viro <[email protected]>

Author: Al Viro

fs/coda/dir.c

@@ -479,18 +479,12 @@ static int coda_dentry_revalidate(struct inode *dir, const struct qstr *name,
  */
 static int coda_dentry_delete(const struct dentry * dentry)
 {
-	struct inode *inode;
-	struct coda_inode_info *cii;
-
-	if (d_really_is_negative(dentry)) 
-		return 0;
+	struct inode *inode = d_inode(dentry);
 
-	inode = d_inode(dentry);
 	if (!inode)
-		return 1;
+		return 0;
 
-	cii = ITOC(inode);
-	if (cii->c_flags & C_PURGE)
+	if (ITOC(inode)->c_flags & C_PURGE)
 		return 1;
 
 	return 0;