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authorJohn Högberg <[email protected]>2019-06-17 13:27:47 +0200
committerJohn Högberg <[email protected]>2019-06-17 13:27:47 +0200
commit1b67bdcd3cc3e27b3f35f6b7d27f390aff30257d (patch)
tree4374242b8cfc0e438ce04f66d846f9358c41e08c /lib/kernel/src/user.erl
parentf2ed968cfe1633190dcc8747c5559c9f864185c0 (diff)
parent4df8cf1f67a12d2c730e85ab4de64b6fd7557050 (diff)
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Merge branch 'john/kernel/fix-io-proto-user-drv/OTP-15805' into maint
* john/kernel/fix-io-proto-user-drv/OTP-15805: kernel: Force synchronous port_commands in user/user_drv
Diffstat (limited to 'lib/kernel/src/user.erl')
-rw-r--r--lib/kernel/src/user.erl3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/kernel/src/user.erl b/lib/kernel/src/user.erl
index 0c9e1ea303..5a3487a9ba 100644
--- a/lib/kernel/src/user.erl
+++ b/lib/kernel/src/user.erl
@@ -296,7 +296,8 @@ io_requests([], Stat, _) ->
%% port.
put_port(List, Port) ->
- send_port(Port, {command, List}).
+ true = port_command(Port, List),
+ ok.
%% send_port(Port, Command)