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-rw-r--r--fs/cifs/cifssmb.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 24364106b8f..48fc0c2ab0e 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -4803,6 +4803,16 @@ setPermsRetry:
pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
pSMB->Reserved4 = 0;
pSMB->hdr.smb_buf_length += byte_count;
+ /* Samba server ignores set of file size to zero due to bugs in some
+ older clients, but we should be precise - we use SetFileSize to
+ set file size and do not want to truncate file size to zero
+ accidently as happened on one Samba server beta by putting
+ zero instead of -1 here */
+ data_offset->EndOfFile = NO_CHANGE_64;
+ data_offset->NumOfBytes = NO_CHANGE_64;
+ data_offset->LastStatusChange = NO_CHANGE_64;
+ data_offset->LastAccessTime = NO_CHANGE_64;
+ data_offset->LastModificationTime = NO_CHANGE_64;
data_offset->Uid = cpu_to_le64(uid);
data_offset->Gid = cpu_to_le64(gid);
/* better to leave device as zero when it is */