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-rw-r--r--source3/libsmb/clitrans.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/source3/libsmb/clitrans.c b/source3/libsmb/clitrans.c
index c4e19b9375..c97ddfc331 100644
--- a/source3/libsmb/clitrans.c
+++ b/source3/libsmb/clitrans.c
@@ -188,18 +188,25 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
total_param = SVAL(cli->inbuf,smb_tprcnt);
/* allocate it */
- tdata = Realloc(*data,total_data);
- if (!tdata) {
- DEBUG(0,("cli_receive_trans: failed to enlarge buffer"));
- return False;
+ if (total_data!=0) {
+ tdata = Realloc(*data,total_data);
+ if (!tdata) {
+ DEBUG(0,("cli_receive_trans: failed to enlarge data buffer\n"));
+ return False;
+ }
+ else
+ *data = tdata;
}
- else *data = tdata;
- tdata = Realloc(*param,total_param);
- if (!tdata) {
- DEBUG(0,("cli_receive_trans: failed to enlarge buffer"));
- return False;
+
+ if (total_param!=0) {
+ tdata = Realloc(*param,total_param);
+ if (!tdata && total_param!=0) {
+ DEBUG(0,("cli_receive_trans: failed to enlarge param buffer\n"));
+ return False;
+ }
+ else
+ *param = tdata;
}
- else *param = tdata;
while (1) {
this_data = SVAL(cli->inbuf,smb_drcnt);