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| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2019-04-01 01:53:44 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-04-01 21:33:38 +0200 |
| commit | 4811e3096daaa56e145a1d2bec45e2e9fe790729 (patch) | |
| tree | d4f7f86b19bb2683e00eea3f9f6eddb23806ec85 | |
| parent | SMB3: Allow persistent handle timeout to be configurable on mount (diff) | |
| download | linux-4811e3096daaa56e145a1d2bec45e2e9fe790729.tar.xz linux-4811e3096daaa56e145a1d2bec45e2e9fe790729.zip | |
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: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
| -rw-r--r-- | fs/cifs/smb2ops.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b22be10ee980..00225e699d03 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -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); |