diff options
Diffstat (limited to 'erts/emulator/beam/io.c')
| -rw-r--r-- | erts/emulator/beam/io.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index b961c639f5..31c941337f 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -4450,6 +4450,7 @@ erts_port_call(Process* c_p, char input_buf[256]; char *bufp; byte *endp; + Uint uintsz; ErlDrvSizeT size; int try_call; erts_aint32_t sched_flags; @@ -4462,7 +4463,9 @@ erts_port_call(Process* c_p, try_call = !(sched_flags & ERTS_PTS_FLGS_FORCE_SCHEDULE_OP); - size = erts_encode_ext_size(data); + if (erts_encode_ext_size(data, &uintsz) != ERTS_EXT_SZ_OK) + return ERTS_PORT_OP_BADARG; + size = (ErlDrvSizeT) uintsz; if (!try_call) bufp = erts_alloc(ERTS_ALC_T_DRV_CALL_DATA, size); |