| Message ID | 1353602925-28887-1-git-send-email-peter.maydell@linaro.org |
|---|---|
| State | New |
| Headers | show |
On 2012年11月23日 00:48, Peter Maydell wrote: > Commit 094b287f0b accidentally broke the "-usb" command line > option, so it would have no effect if the user had not specified > any machine options at that point. (the return value from > 'qemu_opts_find(qemu_find_opts("machine"), 0);' is NULL if there > are no user specified options, so it is only to be used for > looking up an option, not when trying to set one.) Similarly, > would '-usbdevice' no longer cause USB to default to enabled. > > Fix this regression by using the same style of code for forcing > the usb=on machine option that we use for other aliases such as > '-enable-kvm'. > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > For 1.3 as this is a regression which would presumably cause > breakage for migrations and existing working qemu command lines. > > vl.c | 12 ++++-------- > 1 file changed, 4 insertions(+), 8 deletions(-) > > diff --git a/vl.c b/vl.c > index c8e9c78..a3ab384 100644 > --- a/vl.c > +++ b/vl.c > @@ -3273,16 +3273,12 @@ int main(int argc, char **argv, char **envp) > break; > } > case QEMU_OPTION_usb: > - machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); > - if (machine_opts) { > - qemu_opt_set_bool(machine_opts, "usb", true); > - } > + olist = qemu_find_opts("machine"); > + qemu_opts_parse(olist, "usb=on", 0); > break; > case QEMU_OPTION_usbdevice: > - machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); > - if (machine_opts) { > - qemu_opt_set_bool(machine_opts, "usb", true); > - } > + olist = qemu_find_opts("machine"); > + qemu_opts_parse(olist, "usb=on", 0); > add_device_config(DEV_USB, optarg); > break; > case QEMU_OPTION_device: Looks good to me. Thanks.
Peter Maydell <peter.maydell@linaro.org> writes: > Commit 094b287f0b accidentally broke the "-usb" command line > option, so it would have no effect if the user had not specified > any machine options at that point. (the return value from > 'qemu_opts_find(qemu_find_opts("machine"), 0);' is NULL if there > are no user specified options, so it is only to be used for > looking up an option, not when trying to set one.) Similarly, > would '-usbdevice' no longer cause USB to default to enabled. > > Fix this regression by using the same style of code for forcing > the usb=on machine option that we use for other aliases such as > '-enable-kvm'. > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > For 1.3 as this is a regression which would presumably cause > breakage for migrations and existing working qemu command lines. > Applied. Thanks. Regards, Anthony Liguori > vl.c | 12 ++++-------- > 1 file changed, 4 insertions(+), 8 deletions(-) > > diff --git a/vl.c b/vl.c > index c8e9c78..a3ab384 100644 > --- a/vl.c > +++ b/vl.c > @@ -3273,16 +3273,12 @@ int main(int argc, char **argv, char **envp) > break; > } > case QEMU_OPTION_usb: > - machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); > - if (machine_opts) { > - qemu_opt_set_bool(machine_opts, "usb", true); > - } > + olist = qemu_find_opts("machine"); > + qemu_opts_parse(olist, "usb=on", 0); > break; > case QEMU_OPTION_usbdevice: > - machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); > - if (machine_opts) { > - qemu_opt_set_bool(machine_opts, "usb", true); > - } > + olist = qemu_find_opts("machine"); > + qemu_opts_parse(olist, "usb=on", 0); > add_device_config(DEV_USB, optarg); > break; > case QEMU_OPTION_device: > -- > 1.7.9.5
diff --git a/vl.c b/vl.c index c8e9c78..a3ab384 100644 --- a/vl.c +++ b/vl.c @@ -3273,16 +3273,12 @@ int main(int argc, char **argv, char **envp) break; } case QEMU_OPTION_usb: - machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); - if (machine_opts) { - qemu_opt_set_bool(machine_opts, "usb", true); - } + olist = qemu_find_opts("machine"); + qemu_opts_parse(olist, "usb=on", 0); break; case QEMU_OPTION_usbdevice: - machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); - if (machine_opts) { - qemu_opt_set_bool(machine_opts, "usb", true); - } + olist = qemu_find_opts("machine"); + qemu_opts_parse(olist, "usb=on", 0); add_device_config(DEV_USB, optarg); break; case QEMU_OPTION_device:
Commit 094b287f0b accidentally broke the "-usb" command line option, so it would have no effect if the user had not specified any machine options at that point. (the return value from 'qemu_opts_find(qemu_find_opts("machine"), 0);' is NULL if there are no user specified options, so it is only to be used for looking up an option, not when trying to set one.) Similarly, would '-usbdevice' no longer cause USB to default to enabled. Fix this regression by using the same style of code for forcing the usb=on machine option that we use for other aliases such as '-enable-kvm'. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- For 1.3 as this is a regression which would presumably cause breakage for migrations and existing working qemu command lines. vl.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)