diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2022-09-24 18:14:12 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-09-24 18:14:12 -0700 |
| commit | b3bbcc5d1da1b654091dad15980b3d58fdae0fc6 (patch) | |
| tree | 77795fbece4fc61a659ed97c70d798ca81f35bb8 /fs/ksmbd/smb2misc.c | |
| parent | 17d9c15c9b9e7fb285f7ac5367dfb5f00ff575e3 (diff) | |
| parent | 67feaba413ec68daf4124e9870878899b4ed9a0e (diff) | |
Merge branch 'for-6.0/dax' into libnvdimm-fixes
Pick up another "Soft Reservation" fix for v6.0-final on top of some
straggling nvdimm fixes that missed v5.19.
Diffstat (limited to 'fs/ksmbd/smb2misc.c')
| -rw-r--r-- | fs/ksmbd/smb2misc.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/ksmbd/smb2misc.c b/fs/ksmbd/smb2misc.c index f8f456377a51..6e25ace36568 100644 --- a/fs/ksmbd/smb2misc.c +++ b/fs/ksmbd/smb2misc.c @@ -90,11 +90,6 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, *off = 0; *len = 0; - /* error reqeusts do not have data area */ - if (hdr->Status && hdr->Status != STATUS_MORE_PROCESSING_REQUIRED && - (((struct smb2_err_rsp *)hdr)->StructureSize) == SMB2_ERROR_STRUCTURE_SIZE2_LE) - return ret; - /* * Following commands have data areas so we have to get the location * of the data buffer offset and data buffer length for the particular @@ -136,8 +131,11 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, *len = le16_to_cpu(((struct smb2_read_req *)hdr)->ReadChannelInfoLength); break; case SMB2_WRITE: - if (((struct smb2_write_req *)hdr)->DataOffset) { - *off = le16_to_cpu(((struct smb2_write_req *)hdr)->DataOffset); + if (((struct smb2_write_req *)hdr)->DataOffset || + ((struct smb2_write_req *)hdr)->Length) { + *off = max_t(unsigned int, + le16_to_cpu(((struct smb2_write_req *)hdr)->DataOffset), + offsetof(struct smb2_write_req, Buffer)); *len = le32_to_cpu(((struct smb2_write_req *)hdr)->Length); break; } |