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| author | Sverker Eriksson <[email protected]> | 2019-01-31 19:43:23 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2019-01-31 19:43:23 +0100 |
| commit | 5ab76d9263e4a81ccac2fc5591c520dbce6927de (patch) | |
| tree | 270c1724d0be6ae3f9ec62ab7303f368b6887cf2 /erts/emulator/drivers/unix/ttsl_drv.c | |
| parent | 10b400a0433cf2ebcffe9ca702a26690123df81f (diff) | |
| parent | 14fe4c3ccf93c023f851512e573e2bac7d00b232 (diff) | |
| download | otp-5ab76d9263e4a81ccac2fc5591c520dbce6927de.tar.gz otp-5ab76d9263e4a81ccac2fc5591c520dbce6927de.tar.bz2 otp-5ab76d9263e4a81ccac2fc5591c520dbce6927de.zip | |
Merge branch 'maint'
Diffstat (limited to 'erts/emulator/drivers/unix/ttsl_drv.c')
| -rw-r--r-- | erts/emulator/drivers/unix/ttsl_drv.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c index 11bb4373d8..f6864f96da 100644 --- a/erts/emulator/drivers/unix/ttsl_drv.c +++ b/erts/emulator/drivers/unix/ttsl_drv.c @@ -394,6 +394,8 @@ static ErlDrvSSizeT ttysl_control(ErlDrvData drv_data, { char resbuff[2*sizeof(Uint32)]; ErlDrvSizeT res_size; + + command -= ERTS_TTYSL_DRV_CONTROL_MAGIC_NUMBER; switch (command) { case CTRL_OP_GET_WINSIZE: { @@ -419,7 +421,7 @@ static ErlDrvSSizeT ttysl_control(ErlDrvData drv_data, } break; default: - return 0; + return -1; } if (rlen < res_size) { *rbuf = driver_alloc(res_size); |