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| author | Steve French <sfrench@us.ibm.com> | 2006-10-12 03:28:28 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2006-10-12 03:28:28 +0000 |
| commit | acf1a1b1043327b2179ea529730358e58c7c277e (patch) | |
| tree | 6753f8c0a8626e9159d4c9d5dbb2f3c4b5f87eba /fs/cifs/cifssmb.c | |
| parent | ddae957da48cc381c1472a8909905e1818e4afdd (diff) | |
| download | linux-3.10-acf1a1b1043327b2179ea529730358e58c7c277e.tar.gz linux-3.10-acf1a1b1043327b2179ea529730358e58c7c277e.tar.bz2 linux-3.10-acf1a1b1043327b2179ea529730358e58c7c277e.zip | |
[CIFS] Level 1 QPathInfo needed for proper OS2 support
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 79a01d35a78..6f50f2bc887 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2969,6 +2969,7 @@ int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon, const unsigned char *searchName, FILE_ALL_INFO * pFindData, + int legacy /* old style infolevel */, const struct nls_table *nls_codepage, int remap) { /* level 263 SMB_QUERY_FILE_ALL_INFO */ @@ -3017,7 +3018,10 @@ QPathInfoRetry: byte_count = params + 1 /* pad */ ; pSMB->TotalParameterCount = cpu_to_le16(params); pSMB->ParameterCount = pSMB->TotalParameterCount; - pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO); + if(legacy) + pSMB->InformationLevel = cpu_to_le16(SMB_INFO_STANDARD); + else + pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO); pSMB->Reserved4 = 0; pSMB->hdr.smb_buf_length += byte_count; pSMB->ByteCount = cpu_to_le16(byte_count); @@ -3029,13 +3033,24 @@ QPathInfoRetry: } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); - if (rc || (pSMBr->ByteCount < 40)) + if (rc) /* BB add auto retry on EOPNOTSUPP? */ + rc = -EIO; + else if (!legacy && (pSMBr->ByteCount < 40)) rc = -EIO; /* bad smb */ + else if(legacy && (pSMBr->ByteCount < 24)) + rc = -EIO; /* 24 or 26 expected but we do not read last field */ else if (pFindData){ + int size; __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset); + if(legacy) /* we do not read the last field, EAsize, fortunately + since it varies by subdialect and on Set vs. Get, is + two bytes or 4 bytes depending but we don't care here */ + size = sizeof(FILE_INFO_STANDARD); + else + size = sizeof(FILE_ALL_INFO); memcpy((char *) pFindData, (char *) &pSMBr->hdr.Protocol + - data_offset, sizeof (FILE_ALL_INFO)); + data_offset, size); } else rc = -ENOMEM; } |