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-rw-r--r--erts/emulator/drivers/common/inet_drv.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index e0d869f328..45089dcc2f 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -8729,8 +8729,15 @@ static int tcp_remain(tcp_descriptor* desc, int* len)
else if (tlen == 0) { /* need unknown more */
*len = 0;
if (nsz == 0) {
- if (nfill == n)
- goto error;
+ if (nfill == n) {
+ if (desc->inet.psize != 0 && desc->inet.psize > nfill) {
+ if (tcp_expand_buffer(desc, desc->inet.psize) < 0)
+ return -1;
+ return desc->inet.psize;
+ }
+ else
+ goto error;
+ }
DEBUGF((" => restart more=%d\r\n", nfill - n));
return nfill - n;
}