From: Charles Manning <cdhmanning@gmail.com>
Date: Fri, 26 Nov 2010 01:40:20 +0000 (+1300)
Subject: yaffs direct: Fix EROFS handling for yaffs_access
X-Git-Tag: linux-mainline-patchset-4~45
X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=commitdiff_plain;h=c2c3fedf8a75ce6b2e747fa4604a240077cd8be4;ds=sidebyside

yaffs direct: Fix EROFS handling for yaffs_access

Signed-off-by: Charles Manning <cdhmanning@gmail.com>
---

diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c
index e3f6fb0..f6654cf 100644
--- a/direct/yaffsfs.c
+++ b/direct/yaffsfs.c
@@ -1183,6 +1183,7 @@ int yaffs_truncate(const YCHAR *path,off_t new_size)
 	yaffsfs_Lock();
 
 	obj = yaffsfs_FindObject(NULL,path,0,1,&dir,&notDir,&loop);
+	obj = yaffsfs_FollowLink(obj,0,&loop);
 
 	if(!dir && notDir)
 		yaffsfs_SetError(-ENOTDIR);
@@ -1962,7 +1963,9 @@ int yaffs_access(const YCHAR *path, int amode)
 		yaffsfs_SetError(-ELOOP);
 	else if(!dir || !obj) 
 		yaffsfs_SetError(-ENOENT);
-	else {
+	else if((amode & W_OK) && obj->my_dev->read_only)
+		yaffsfs_SetError(-EROFS);
+	else{
 		int access_ok = 1;
 
 		if((amode & R_OK) && !(obj->yst_mode & S_IREAD))