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[CIFS] Fix CIFS readdir access denied when SE Linux enabled

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CIFS had one path in which dentry was instantiated before the corresponding
inode metadata was filled in.

Fixes Redhat bugzilla bug #163493

Signed-off-by: Steve French <sfrench@us.ibm.com>
Acked-by: Eric Paris <eparis@redhat.com>
Acked-by: Dave Kleikamp <shaggy@austin.ibm.com>
This commit is contained in:
Steve French 2006-09-06 22:02:22 +00:00
parent 10387e5eb4
commit b835bebe95
1 changed files with 7 additions and 4 deletions
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11
fs/cifs/readdir.c
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@ -82,7 +82,6 @@ static int construct_dentry(struct qstr *qstring, struct file *file,
if(*ptmp_inode == NULL)
return rc;
rc = 1;
d_instantiate(tmp_dentry, *ptmp_inode);
}
} else {
tmp_dentry = d_alloc(file->f_dentry, qstring);
@ -99,9 +98,7 @@ static int construct_dentry(struct qstr *qstring, struct file *file,
tmp_dentry->d_op = &cifs_dentry_ops;
if(*ptmp_inode == NULL)
return rc;
rc = 1;
d_instantiate(tmp_dentry, *ptmp_inode);
d_rehash(tmp_dentry);
rc = 2;
}
tmp_dentry->d_time = jiffies;
@ -870,6 +867,12 @@ static int cifs_filldir(char *pfindEntry, struct file *file,
pfindEntry, &obj_type, rc);
else
fill_in_inode(tmp_inode, 1 /* NT */, pfindEntry, &obj_type, rc);
if(rc) /* new inode - needs to be tied to dentry */ {
d_instantiate(tmp_dentry, tmp_inode);
if(rc == 2)
d_rehash(tmp_dentry);
}
rc = filldir(direntry,qstring.name,qstring.len,file->f_pos,