Commit 4811e309 authored by Ronnie Sahlberg's avatar Ronnie Sahlberg Committed by Steve French

cifs: a smb2_validate_and_copy_iov failure does not mean the handle is invalid.

It only means that we do not have a valid cached value for the
file_all_info structure.

CC: Stable <stable@vger.kernel.org>
Signed-off-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
parent ca567eb2
......@@ -733,14 +733,12 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon, struct cifs_fid *pfid)
qi_rsp = (struct smb2_query_info_rsp *)rsp_iov[1].iov_base;
if (le32_to_cpu(qi_rsp->OutputBufferLength) < sizeof(struct smb2_file_all_info))
goto oshr_exit;
rc = smb2_validate_and_copy_iov(
if (!smb2_validate_and_copy_iov(
le16_to_cpu(qi_rsp->OutputBufferOffset),
sizeof(struct smb2_file_all_info),
&rsp_iov[1], sizeof(struct smb2_file_all_info),
(char *)&tcon->crfid.file_all_info);
if (rc)
goto oshr_exit;
tcon->crfid.file_all_info_is_valid = 1;
(char *)&tcon->crfid.file_all_info))
tcon->crfid.file_all_info_is_valid = 1;
oshr_exit:
mutex_unlock(&tcon->crfid.fid_mutex);
......
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