Message ID | 1349275025-5093-11-git-send-email-pbonzini@redhat.com |
---|---|
State | New |
Headers | show |
On Wed, 3 Oct 2012 16:36:57 +0200 Paolo Bonzini <pbonzini@redhat.com> wrote: > Before: > > $ qemu-system-x86_64 -monitor tcp:localhost:6000 > (starts despite error) > > $ qemu-system-x86_64 -monitor tcp:foo.bar:12345 > getaddrinfo(foo.bar,12345): Name or service not known > chardev: opening backend "socket" failed > > $ qemu-system-x86_64 -monitor tcp:localhost:443,server=on > inet_listen_opts: bind(ipv4,127.0.0.1,443): Permission denied > inet_listen_opts: FAILED > chardev: opening backend "socket" failed > > After: > > $ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:6000 > x86_64-softmmu/qemu-system-x86_64: -monitor tcp:localhost:6000: Failed to connect to socket: Connection refused > chardev: opening backend "socket" failed > > $ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:foo.bar:12345 > qemu-system-x86_64: -monitor tcp:foo.bar:12345: address resolution failed for foo.bar:12345: Name or service not known > chardev: opening backend "socket" failed > > $ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:443,server=on > qemu-system-x86_64: -monitor tcp:localhost:443,server=on: Failed to bind socket: Permission denied > chardev: opening backend "socket" failed > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com> > --- > qemu-char.c | 23 +++++++++++++++++------ > 1 file modificato, 17 inserzioni(+), 6 rimozioni(-) > > diff --git a/qemu-char.c b/qemu-char.c > index 8ebd582..04b5c23 100644 > --- a/qemu-char.c > +++ b/qemu-char.c > @@ -2097,12 +2097,13 @@ static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) > { > CharDriverState *chr = NULL; > NetCharDriver *s = NULL; > + Error *local_err = NULL; > int fd = -1; > > chr = g_malloc0(sizeof(CharDriverState)); > s = g_malloc0(sizeof(NetCharDriver)); > > - fd = inet_dgram_opts(opts, NULL); > + fd = inet_dgram_opts(opts, &local_err); > if (fd < 0) { > fprintf(stderr, "inet_dgram_opts failed\n"); > goto return_err; > @@ -2118,6 +2119,10 @@ static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) > return chr; > > return_err: > + if (local_err) { > + qerror_report_err(local_err); > + error_free(local_err); > + } > g_free(chr); > g_free(s); > if (fd >= 0) { > @@ -2428,6 +2433,7 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) > { > CharDriverState *chr = NULL; > TCPCharDriver *s = NULL; > + Error *local_err = NULL; > int fd = -1; > int is_listen; > int is_waitconnect; > @@ -2448,15 +2454,15 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) > > if (is_unix) { > if (is_listen) { > - fd = unix_listen_opts(opts, NULL); > + fd = unix_listen_opts(opts, &local_err); > } else { > - fd = unix_connect_opts(opts, NULL, NULL, NULL); > + fd = unix_connect_opts(opts, &local_err, NULL, NULL); > } > } else { > if (is_listen) { > - fd = inet_listen_opts(opts, 0, NULL); > + fd = inet_listen_opts(opts, 0, &local_err); > } else { > - fd = inet_connect_opts(opts, NULL, NULL, NULL); > + fd = inet_connect_opts(opts, &local_err, NULL, NULL); > } > } > if (fd < 0) { > @@ -2517,8 +2523,13 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) > return chr; > > fail: > - if (fd >= 0) > + if (local_err) { > + qerror_report_err(local_err); > + error_free(local_err); > + } > + if (fd >= 0) { > closesocket(fd); > + } > g_free(s); > g_free(chr); > return NULL;
diff --git a/qemu-char.c b/qemu-char.c index 8ebd582..04b5c23 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2097,12 +2097,13 @@ static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) { CharDriverState *chr = NULL; NetCharDriver *s = NULL; + Error *local_err = NULL; int fd = -1; chr = g_malloc0(sizeof(CharDriverState)); s = g_malloc0(sizeof(NetCharDriver)); - fd = inet_dgram_opts(opts, NULL); + fd = inet_dgram_opts(opts, &local_err); if (fd < 0) { fprintf(stderr, "inet_dgram_opts failed\n"); goto return_err; @@ -2118,6 +2119,10 @@ static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) return chr; return_err: + if (local_err) { + qerror_report_err(local_err); + error_free(local_err); + } g_free(chr); g_free(s); if (fd >= 0) { @@ -2428,6 +2433,7 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) { CharDriverState *chr = NULL; TCPCharDriver *s = NULL; + Error *local_err = NULL; int fd = -1; int is_listen; int is_waitconnect; @@ -2448,15 +2454,15 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) if (is_unix) { if (is_listen) { - fd = unix_listen_opts(opts, NULL); + fd = unix_listen_opts(opts, &local_err); } else { - fd = unix_connect_opts(opts, NULL, NULL, NULL); + fd = unix_connect_opts(opts, &local_err, NULL, NULL); } } else { if (is_listen) { - fd = inet_listen_opts(opts, 0, NULL); + fd = inet_listen_opts(opts, 0, &local_err); } else { - fd = inet_connect_opts(opts, NULL, NULL, NULL); + fd = inet_connect_opts(opts, &local_err, NULL, NULL); } } if (fd < 0) { @@ -2517,8 +2523,13 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) return chr; fail: - if (fd >= 0) + if (local_err) { + qerror_report_err(local_err); + error_free(local_err); + } + if (fd >= 0) { closesocket(fd); + } g_free(s); g_free(chr); return NULL;
Before: $ qemu-system-x86_64 -monitor tcp:localhost:6000 (starts despite error) $ qemu-system-x86_64 -monitor tcp:foo.bar:12345 getaddrinfo(foo.bar,12345): Name or service not known chardev: opening backend "socket" failed $ qemu-system-x86_64 -monitor tcp:localhost:443,server=on inet_listen_opts: bind(ipv4,127.0.0.1,443): Permission denied inet_listen_opts: FAILED chardev: opening backend "socket" failed After: $ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:6000 x86_64-softmmu/qemu-system-x86_64: -monitor tcp:localhost:6000: Failed to connect to socket: Connection refused chardev: opening backend "socket" failed $ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:foo.bar:12345 qemu-system-x86_64: -monitor tcp:foo.bar:12345: address resolution failed for foo.bar:12345: Name or service not known chardev: opening backend "socket" failed $ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:443,server=on qemu-system-x86_64: -monitor tcp:localhost:443,server=on: Failed to bind socket: Permission denied chardev: opening backend "socket" failed Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- qemu-char.c | 23 +++++++++++++++++------ 1 file modificato, 17 inserzioni(+), 6 rimozioni(-)