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gdbstub: Fix handling of '!' packet with new infra

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Since the '!' packet is not handled by the new infrastructure,
gdb_handle_packet() would call run_cmd_parser() with a NULL cmd_parser
value, which would lead to an unsupported packet ("$#00") being sent,
which could confuse the gdb client.

This also has a side-effect of speeding up the initial connection with
gdb.

Fixes: 3e2c12615b ("gdbstub: Implement deatch (D pkt) with new infra")
Signed-off-by: Ramiro Polla <ramiro.polla@gmail.com>
Message-Id: <20190805190901.14072-1-ramiro.polla@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Ramiro Polla 2019-08-05 21:09:01 +02:00 • committed by Alex Bennée
parent 23919ddfd5
commit 2bdec39848
1 changed files with 3 additions and 1 deletions
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4
gdbstub.c
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@ -2588,7 +2588,9 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
break;
}
run_cmd_parser(s, line_buf, cmd_parser);
if (cmd_parser) {
run_cmd_parser(s, line_buf, cmd_parser);
}
return RS_IDLE;
}