From: Miklos Szeredi <mszeredi@suse.cz>
Date: Mon, 21 May 2012 15:30:12 +0000 (+0200)
Subject: vfs: do_last(): only return EISDIR for O_CREAT
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=050ac841ea90610067fec26150574be8c6077738;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

vfs: do_last(): only return EISDIR for O_CREAT

This allows this code to be shared between O_CREAT and plain opens.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namei.c b/fs/namei.c
index 4767c0588b6e..90210b46b461 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2384,7 +2384,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
 	if (error)
 		return ERR_PTR(error);
 	error = -EISDIR;
-	if (S_ISDIR(nd->inode->i_mode))
+	if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode))
 		goto exit;
 	error = -ENOTDIR;
 	if ((nd->flags & LOOKUP_DIRECTORY) && !nd->inode->i_op->lookup)