From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51036) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gChAb-00085B-KZ for qemu-devel@nongnu.org; Wed, 17 Oct 2018 04:27:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gChAZ-00010l-9H for qemu-devel@nongnu.org; Wed, 17 Oct 2018 04:27:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58272) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gChAY-0000zv-Tg for qemu-devel@nongnu.org; Wed, 17 Oct 2018 04:27:07 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2035A307D866 for ; Wed, 17 Oct 2018 08:27:06 +0000 (UTC) From: Markus Armbruster Date: Wed, 17 Oct 2018 10:26:35 +0200 Message-Id: <20181017082702.5581-12-armbru@redhat.com> In-Reply-To: <20181017082702.5581-1-armbru@redhat.com> References: <20181017082702.5581-1-armbru@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v4 11/38] smbios: Clean up error handling in smbios_add() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini Calling error_report() in a function that takes an Error ** argument is suspicious. smbios_entry_add() does that, and then exit()s. It also passes &error_fatal to qemu_opts_validate(). Both wrong, but currently harmless, as its only caller passes &error_fatal. Messed up in commit 1007a37e208. Clean it up. Cc: Paolo Bonzini Signed-off-by: Markus Armbruster Reviewed-by: Marc-Andr=C3=A9 Lureau Acked-by: Paolo Bonzini --- hw/smbios/smbios.c | 90 +++++++++++++++++++++++++++++++--------------- 1 file changed, 62 insertions(+), 28 deletions(-) diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index a27e54b2fa..920939454e 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -950,6 +950,7 @@ static void save_opt_list(size_t *ndest, const char *= **dest, =20 void smbios_entry_add(QemuOpts *opts, Error **errp) { + Error *err =3D NULL; const char *val; =20 assert(!smbios_immutable); @@ -960,12 +961,16 @@ void smbios_entry_add(QemuOpts *opts, Error **errp) int size; struct smbios_table *table; /* legacy mode only */ =20 - qemu_opts_validate(opts, qemu_smbios_file_opts, &error_fatal); + qemu_opts_validate(opts, qemu_smbios_file_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } =20 size =3D get_image_size(val); if (size =3D=3D -1 || size < sizeof(struct smbios_structure_head= er)) { - error_report("Cannot read SMBIOS file %s", val); - exit(1); + error_setg(errp, "Cannot read SMBIOS file %s", val); + return; } =20 /* @@ -978,14 +983,15 @@ void smbios_entry_add(QemuOpts *opts, Error **errp) smbios_tables_len); =20 if (load_image(val, (uint8_t *)header) !=3D size) { - error_report("Failed to load SMBIOS file %s", val); - exit(1); + error_setg(errp, "Failed to load SMBIOS file %s", val); + return; } =20 if (test_bit(header->type, have_fields_bitmap)) { - error_report("can't load type %d struct, fields already spec= ified!", - header->type); - exit(1); + error_setg(errp, + "can't load type %d struct, fields already specif= ied!", + header->type); + return; } set_bit(header->type, have_binfile_bitmap); =20 @@ -1030,19 +1036,23 @@ void smbios_entry_add(QemuOpts *opts, Error **err= p) unsigned long type =3D strtoul(val, NULL, 0); =20 if (type > SMBIOS_MAX_TYPE) { - error_report("out of range!"); - exit(1); + error_setg(errp, "out of range!"); + return; } =20 if (test_bit(type, have_binfile_bitmap)) { - error_report("can't add fields, binary file already loaded!"= ); - exit(1); + error_setg(errp, "can't add fields, binary file already load= ed!"); + return; } set_bit(type, have_fields_bitmap); =20 switch (type) { case 0: - qemu_opts_validate(opts, qemu_smbios_type0_opts, &error_fata= l); + qemu_opts_validate(opts, qemu_smbios_type0_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt(&type0.vendor, opts, "vendor"); save_opt(&type0.version, opts, "version"); save_opt(&type0.date, opts, "date"); @@ -1051,14 +1061,18 @@ void smbios_entry_add(QemuOpts *opts, Error **err= p) val =3D qemu_opt_get(opts, "release"); if (val) { if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor)= !=3D 2) { - error_report("Invalid release"); - exit(1); + error_setg(errp, "Invalid release"); + return; } type0.have_major_minor =3D true; } return; case 1: - qemu_opts_validate(opts, qemu_smbios_type1_opts, &error_fata= l); + qemu_opts_validate(opts, qemu_smbios_type1_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt(&type1.manufacturer, opts, "manufacturer"); save_opt(&type1.product, opts, "product"); save_opt(&type1.version, opts, "version"); @@ -1069,14 +1083,18 @@ void smbios_entry_add(QemuOpts *opts, Error **err= p) val =3D qemu_opt_get(opts, "uuid"); if (val) { if (qemu_uuid_parse(val, &qemu_uuid) !=3D 0) { - error_report("Invalid UUID"); - exit(1); + error_setg(errp, "Invalid UUID"); + return; } qemu_uuid_set =3D true; } return; case 2: - qemu_opts_validate(opts, qemu_smbios_type2_opts, &error_fata= l); + qemu_opts_validate(opts, qemu_smbios_type2_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt(&type2.manufacturer, opts, "manufacturer"); save_opt(&type2.product, opts, "product"); save_opt(&type2.version, opts, "version"); @@ -1085,7 +1103,11 @@ void smbios_entry_add(QemuOpts *opts, Error **errp= ) save_opt(&type2.location, opts, "location"); return; case 3: - qemu_opts_validate(opts, qemu_smbios_type3_opts, &error_fata= l); + qemu_opts_validate(opts, qemu_smbios_type3_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt(&type3.manufacturer, opts, "manufacturer"); save_opt(&type3.version, opts, "version"); save_opt(&type3.serial, opts, "serial"); @@ -1093,7 +1115,11 @@ void smbios_entry_add(QemuOpts *opts, Error **errp= ) save_opt(&type3.sku, opts, "sku"); return; case 4: - qemu_opts_validate(opts, qemu_smbios_type4_opts, &error_fata= l); + qemu_opts_validate(opts, qemu_smbios_type4_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt(&type4.sock_pfx, opts, "sock_pfx"); save_opt(&type4.manufacturer, opts, "manufacturer"); save_opt(&type4.version, opts, "version"); @@ -1102,11 +1128,19 @@ void smbios_entry_add(QemuOpts *opts, Error **err= p) save_opt(&type4.part, opts, "part"); return; case 11: - qemu_opts_validate(opts, qemu_smbios_type11_opts, &error_fat= al); + qemu_opts_validate(opts, qemu_smbios_type11_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt_list(&type11.nvalues, &type11.values, opts, "value"= ); return; case 17: - qemu_opts_validate(opts, qemu_smbios_type17_opts, &error_fat= al); + qemu_opts_validate(opts, qemu_smbios_type17_opts, &err); + if (err) { + error_propagate(errp, err); + return; + } save_opt(&type17.loc_pfx, opts, "loc_pfx"); save_opt(&type17.bank, opts, "bank"); save_opt(&type17.manufacturer, opts, "manufacturer"); @@ -1116,12 +1150,12 @@ void smbios_entry_add(QemuOpts *opts, Error **err= p) type17.speed =3D qemu_opt_get_number(opts, "speed", 0); return; default: - error_report("Don't know how to build fields for SMBIOS type= %ld", - type); - exit(1); + error_setg(errp, + "Don't know how to build fields for SMBIOS type %= ld", + type); + return; } } =20 - error_report("Must specify type=3D or file=3D"); - exit(1); + error_setg(errp, "Must specify type=3D or file=3D"); } --=20 2.17.1