Message ID | 1350288417-24350-8-git-send-email-kraxel@redhat.com |
---|---|
State | New |
Headers | show |
On Mon, 15 Oct 2012 10:06:55 +0200 Gerd Hoffmann <kraxel@redhat.com> wrote: > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> > --- > qemu-char.c | 24 +++++++++++++++--------- > qemu-char.h | 3 ++- > vl.c | 7 ++++++- > 3 files changed, 23 insertions(+), 11 deletions(-) > > diff --git a/qemu-char.c b/qemu-char.c > index b082bae..e2e1da8 100644 > --- a/qemu-char.c > +++ b/qemu-char.c > @@ -2755,19 +2755,20 @@ static const struct { > }; > > CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, > - void (*init)(struct CharDriverState *s)) > + void (*init)(struct CharDriverState *s), > + Error **errp) > { > CharDriverState *chr; > int i; > > if (qemu_opts_id(opts) == NULL) { > - fprintf(stderr, "chardev: no id specified\n"); > + error_setg(errp, "chardev: no id specified\n"); > return NULL; > } > > if (qemu_opt_get(opts, "backend") == NULL) { > - fprintf(stderr, "chardev: \"%s\" missing backend\n", > - qemu_opts_id(opts)); > + error_setg(errp, "chardev: \"%s\" missing backend\n", > + qemu_opts_id(opts)); > return NULL; > } > for (i = 0; i < ARRAY_SIZE(backend_table); i++) { > @@ -2775,15 +2776,15 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, > break; > } > if (i == ARRAY_SIZE(backend_table)) { > - fprintf(stderr, "chardev: backend \"%s\" not found\n", > - qemu_opt_get(opts, "backend")); > + error_setg(errp, "chardev: backend \"%s\" not found\n", > + qemu_opt_get(opts, "backend")); > return NULL; > } > > chr = backend_table[i].open(opts); > if (!chr) { > - fprintf(stderr, "chardev: opening backend \"%s\" failed\n", > - qemu_opt_get(opts, "backend")); > + error_setg(errp, "chardev: opening backend \"%s\" failed\n", > + qemu_opt_get(opts, "backend")); > return NULL; > } > > @@ -2813,6 +2814,7 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in > const char *p; > CharDriverState *chr; > QemuOpts *opts; > + Error *err = NULL; > > if (strstart(filename, "chardev:", &p)) { > return qemu_chr_find(p); > @@ -2822,7 +2824,11 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in > if (!opts) > return NULL; > > - chr = qemu_chr_new_from_opts(opts, init); > + chr = qemu_chr_new_from_opts(opts, init, &err); > + if (error_is_set(&err)) { > + fprintf(stderr, "%s\n", error_get_pretty(err)); > + error_free(err); > + } > if (chr && qemu_opt_get_bool(opts, "mux", 0)) { > monitor_init(chr, MONITOR_USE_READLINE); > } > diff --git a/qemu-char.h b/qemu-char.h > index 486644b..adae13e 100644 > --- a/qemu-char.h > +++ b/qemu-char.h > @@ -88,7 +88,8 @@ struct CharDriverState { > * Returns: a new character backend > */ > CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, > - void (*init)(struct CharDriverState *s)); > + void (*init)(struct CharDriverState *s), > + Error **errp); > > /** > * @qemu_chr_new: > diff --git a/vl.c b/vl.c > index 5b357a3..35eb627 100644 > --- a/vl.c > +++ b/vl.c > @@ -1940,8 +1940,13 @@ static int device_init_func(QemuOpts *opts, void *opaque) > static int chardev_init_func(QemuOpts *opts, void *opaque) > { > CharDriverState *chr; > + Error *err = NULL; > > - chr = qemu_chr_new_from_opts(opts, NULL); > + chr = qemu_chr_new_from_opts(opts, NULL, &err); > + if (error_is_set(&err)) { > + fprintf(stderr, "%s\n", error_get_pretty(err)); > + error_free(err); > + } > if (!chr) > return -1; If you respin, please drop that check as it's not needed. Also, we usually name the "internal" Error variable local_err. > return 0;
On Tue, 16 Oct 2012 22:12:13 -0300 Luiz Capitulino <lcapitulino@redhat.com> wrote: > On Mon, 15 Oct 2012 10:06:55 +0200 > Gerd Hoffmann <kraxel@redhat.com> wrote: > > > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> > > --- > > qemu-char.c | 24 +++++++++++++++--------- > > qemu-char.h | 3 ++- > > vl.c | 7 ++++++- > > 3 files changed, 23 insertions(+), 11 deletions(-) > > > > diff --git a/qemu-char.c b/qemu-char.c > > index b082bae..e2e1da8 100644 > > --- a/qemu-char.c > > +++ b/qemu-char.c > > @@ -2755,19 +2755,20 @@ static const struct { > > }; > > > > CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, > > - void (*init)(struct CharDriverState *s)) > > + void (*init)(struct CharDriverState *s), > > + Error **errp) > > { > > CharDriverState *chr; > > int i; > > > > if (qemu_opts_id(opts) == NULL) { > > - fprintf(stderr, "chardev: no id specified\n"); > > + error_setg(errp, "chardev: no id specified\n"); > > return NULL; > > } > > > > if (qemu_opt_get(opts, "backend") == NULL) { > > - fprintf(stderr, "chardev: \"%s\" missing backend\n", > > - qemu_opts_id(opts)); > > + error_setg(errp, "chardev: \"%s\" missing backend\n", > > + qemu_opts_id(opts)); > > return NULL; > > } > > for (i = 0; i < ARRAY_SIZE(backend_table); i++) { > > @@ -2775,15 +2776,15 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, > > break; > > } > > if (i == ARRAY_SIZE(backend_table)) { > > - fprintf(stderr, "chardev: backend \"%s\" not found\n", > > - qemu_opt_get(opts, "backend")); > > + error_setg(errp, "chardev: backend \"%s\" not found\n", > > + qemu_opt_get(opts, "backend")); > > return NULL; > > } > > > > chr = backend_table[i].open(opts); > > if (!chr) { > > - fprintf(stderr, "chardev: opening backend \"%s\" failed\n", > > - qemu_opt_get(opts, "backend")); > > + error_setg(errp, "chardev: opening backend \"%s\" failed\n", > > + qemu_opt_get(opts, "backend")); > > return NULL; > > } > > > > @@ -2813,6 +2814,7 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in > > const char *p; > > CharDriverState *chr; > > QemuOpts *opts; > > + Error *err = NULL; > > > > if (strstart(filename, "chardev:", &p)) { > > return qemu_chr_find(p); > > @@ -2822,7 +2824,11 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in > > if (!opts) > > return NULL; > > > > - chr = qemu_chr_new_from_opts(opts, init); > > + chr = qemu_chr_new_from_opts(opts, init, &err); > > + if (error_is_set(&err)) { > > + fprintf(stderr, "%s\n", error_get_pretty(err)); > > + error_free(err); > > + } > > if (chr && qemu_opt_get_bool(opts, "mux", 0)) { > > monitor_init(chr, MONITOR_USE_READLINE); > > } > > diff --git a/qemu-char.h b/qemu-char.h > > index 486644b..adae13e 100644 > > --- a/qemu-char.h > > +++ b/qemu-char.h > > @@ -88,7 +88,8 @@ struct CharDriverState { > > * Returns: a new character backend > > */ > > CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, > > - void (*init)(struct CharDriverState *s)); > > + void (*init)(struct CharDriverState *s), > > + Error **errp); > > > > /** > > * @qemu_chr_new: > > diff --git a/vl.c b/vl.c > > index 5b357a3..35eb627 100644 > > --- a/vl.c > > +++ b/vl.c > > @@ -1940,8 +1940,13 @@ static int device_init_func(QemuOpts *opts, void *opaque) > > static int chardev_init_func(QemuOpts *opts, void *opaque) > > { > > CharDriverState *chr; > > + Error *err = NULL; > > > > - chr = qemu_chr_new_from_opts(opts, NULL); > > + chr = qemu_chr_new_from_opts(opts, NULL, &err); > > + if (error_is_set(&err)) { > > + fprintf(stderr, "%s\n", error_get_pretty(err)); > > + error_free(err); > > + } > > if (!chr) > > return -1; > > If you respin, please drop that check as it's not needed. Also, we usually > name the "internal" Error variable local_err. Forgot to say that patch looks good to me. > > > return 0; >
diff --git a/qemu-char.c b/qemu-char.c index b082bae..e2e1da8 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2755,19 +2755,20 @@ static const struct { }; CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, - void (*init)(struct CharDriverState *s)) + void (*init)(struct CharDriverState *s), + Error **errp) { CharDriverState *chr; int i; if (qemu_opts_id(opts) == NULL) { - fprintf(stderr, "chardev: no id specified\n"); + error_setg(errp, "chardev: no id specified\n"); return NULL; } if (qemu_opt_get(opts, "backend") == NULL) { - fprintf(stderr, "chardev: \"%s\" missing backend\n", - qemu_opts_id(opts)); + error_setg(errp, "chardev: \"%s\" missing backend\n", + qemu_opts_id(opts)); return NULL; } for (i = 0; i < ARRAY_SIZE(backend_table); i++) { @@ -2775,15 +2776,15 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, break; } if (i == ARRAY_SIZE(backend_table)) { - fprintf(stderr, "chardev: backend \"%s\" not found\n", - qemu_opt_get(opts, "backend")); + error_setg(errp, "chardev: backend \"%s\" not found\n", + qemu_opt_get(opts, "backend")); return NULL; } chr = backend_table[i].open(opts); if (!chr) { - fprintf(stderr, "chardev: opening backend \"%s\" failed\n", - qemu_opt_get(opts, "backend")); + error_setg(errp, "chardev: opening backend \"%s\" failed\n", + qemu_opt_get(opts, "backend")); return NULL; } @@ -2813,6 +2814,7 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in const char *p; CharDriverState *chr; QemuOpts *opts; + Error *err = NULL; if (strstart(filename, "chardev:", &p)) { return qemu_chr_find(p); @@ -2822,7 +2824,11 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in if (!opts) return NULL; - chr = qemu_chr_new_from_opts(opts, init); + chr = qemu_chr_new_from_opts(opts, init, &err); + if (error_is_set(&err)) { + fprintf(stderr, "%s\n", error_get_pretty(err)); + error_free(err); + } if (chr && qemu_opt_get_bool(opts, "mux", 0)) { monitor_init(chr, MONITOR_USE_READLINE); } diff --git a/qemu-char.h b/qemu-char.h index 486644b..adae13e 100644 --- a/qemu-char.h +++ b/qemu-char.h @@ -88,7 +88,8 @@ struct CharDriverState { * Returns: a new character backend */ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, - void (*init)(struct CharDriverState *s)); + void (*init)(struct CharDriverState *s), + Error **errp); /** * @qemu_chr_new: diff --git a/vl.c b/vl.c index 5b357a3..35eb627 100644 --- a/vl.c +++ b/vl.c @@ -1940,8 +1940,13 @@ static int device_init_func(QemuOpts *opts, void *opaque) static int chardev_init_func(QemuOpts *opts, void *opaque) { CharDriverState *chr; + Error *err = NULL; - chr = qemu_chr_new_from_opts(opts, NULL); + chr = qemu_chr_new_from_opts(opts, NULL, &err); + if (error_is_set(&err)) { + fprintf(stderr, "%s\n", error_get_pretty(err)); + error_free(err); + } if (!chr) return -1; return 0;
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- qemu-char.c | 24 +++++++++++++++--------- qemu-char.h | 3 ++- vl.c | 7 ++++++- 3 files changed, 23 insertions(+), 11 deletions(-)