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[CIFS] Fix CIFS readdir access denied when SE Linux enabled
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>
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@ -82,7 +82,6 @@ static int construct_dentry(struct qstr *qstring, struct file *file,
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if(*ptmp_inode == NULL)
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return rc;
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rc = 1;
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d_instantiate(tmp_dentry, *ptmp_inode);
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}
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} else {
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tmp_dentry = d_alloc(file->f_dentry, qstring);
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@ -99,9 +98,7 @@ static int construct_dentry(struct qstr *qstring, struct file *file,
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tmp_dentry->d_op = &cifs_dentry_ops;
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if(*ptmp_inode == NULL)
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return rc;
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rc = 1;
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d_instantiate(tmp_dentry, *ptmp_inode);
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d_rehash(tmp_dentry);
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rc = 2;
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}
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tmp_dentry->d_time = jiffies;
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@ -870,6 +867,12 @@ static int cifs_filldir(char *pfindEntry, struct file *file,
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pfindEntry, &obj_type, rc);
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else
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fill_in_inode(tmp_inode, 1 /* NT */, pfindEntry, &obj_type, rc);
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if(rc) /* new inode - needs to be tied to dentry */ {
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d_instantiate(tmp_dentry, tmp_inode);
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if(rc == 2)
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d_rehash(tmp_dentry);
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}
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rc = filldir(direntry,qstring.name,qstring.len,file->f_pos,
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