[PATCH] pass MAY_OPEN to vfs_permission() explicitly
... and get rid of the last "let's deduce mask from nameidata->flags"
bit.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index 33dcaf0..6b0e8e5 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -263,12 +263,7 @@
/* Ordinary permission routines do not understand MAY_APPEND. */
if (inode->i_op && inode->i_op->permission) {
- int extra = 0;
- if (nd) {
- if (nd->flags & LOOKUP_OPEN)
- extra |= MAY_OPEN;
- }
- retval = inode->i_op->permission(inode, mask | extra);
+ retval = inode->i_op->permission(inode, mask);
if (!retval) {
/*
* Exec permission on a regular file is denied if none
@@ -292,7 +287,7 @@
return retval;
return security_inode_permission(inode,
- mask & (MAY_READ|MAY_WRITE|MAY_EXEC), nd);
+ mask & (MAY_READ|MAY_WRITE|MAY_EXEC));
}
/**
@@ -492,7 +487,7 @@
return -EACCES;
ok:
- return security_inode_permission(inode, MAY_EXEC, nd);
+ return security_inode_permission(inode, MAY_EXEC);
}
/*
@@ -1692,7 +1687,7 @@
int will_write;
int flag = open_to_namei_flags(open_flag);
- acc_mode = ACC_MODE(flag);
+ acc_mode = MAY_OPEN | ACC_MODE(flag);
/* O_TRUNC implies we need access checks for write permissions */
if (flag & O_TRUNC)