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qemu-e2k/chardev
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Kevin Wolf 8e9119a807 hmp: Fail gracefully if chardev is already in use 
Trying to attach a HMP monitor to a chardev that is already in use
results in a crash because monitor_init_hmp() passes &error_abort to
qemu_chr_fe_init():

$ ./x86_64-softmmu/qemu-system-x86_64 --chardev stdio,id=foo --mon foo --mon foo
QEMU 4.2.50 monitor - type 'help' for more information
(qemu) Unexpected error in qemu_chr_fe_init() at chardev/char-fe.c:220:
qemu-system-x86_64: --mon foo: Device 'foo' is in use
Abgebrochen (Speicherabzug geschrieben)

Fix this by allowing monitor_init_hmp() to return an error and passing
any error in qemu_chr_fe_init() to its caller instead of aborting.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-19-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 		2020-03-06 17:21:28 +01:00
..
Makefile.objs buildsys: Move brlapi libs to per object 2017-09-22 10:20:34 +08:00
baum.c Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
char-console.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-fd.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
char-fe.c char: update the mux handlers in class callback 2019-02-13 15:36:14 +01:00
char-file.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-io.c chardev: use a child source for qio input source 2018-10-03 14:45:05 +04:00
char-mux.c chardev: Use QEMUChrEvent enum in IOEventHandler typedef 2020-01-08 11:15:35 +01:00
char-null.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-parallel.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-pipe.c Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
char-pty.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
char-ringbuf.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-serial.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-socket.c socket: Add num connections to qio_net_listener_open_sync() 2019-09-03 23:24:42 +02:00
char-stdio.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-udp.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
char-win-stdio.c Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
char-win.c Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
char.c hmp: Fail gracefully if chardev is already in use 2020-03-06 17:21:28 +01:00
msmouse.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
spice.c qemu/queue.h: add QLIST_SAFE_REMOVE() 2020-02-22 08:26:47 +00:00
testdev.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
trace-events trace-events: Shorten file names in comments 2019-03-22 16:18:07 +00:00
wctablet.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00