From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41333) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g9ZNe-0005AU-Oe for qemu-devel@nongnu.org; Mon, 08 Oct 2018 13:31:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g9ZNa-0005ml-2T for qemu-devel@nongnu.org; Mon, 08 Oct 2018 13:31:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39282) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g9ZNZ-0005gI-Je for qemu-devel@nongnu.org; Mon, 08 Oct 2018 13:31:37 -0400 From: Markus Armbruster Date: Mon, 8 Oct 2018 19:30:55 +0200 Message-Id: <20181008173125.19678-2-armbru@redhat.com> In-Reply-To: <20181008173125.19678-1-armbru@redhat.com> References: <20181008173125.19678-1-armbru@redhat.com> Subject: [Qemu-devel] [PATCH 01/31] Use error_fatal to simplify obvious fatal errors (again) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: David Gibson , Alexander Graf , Eric Blake , Paolo Bonzini Add a slight improvement of the Coccinelle semantic patch from commit 07d04a0219b, and use it to clean up. It leaves dead Error * variables behind, cleaned up manually. Cc: David Gibson Cc: Alexander Graf Cc: Eric Blake Cc: Paolo Bonzini Signed-off-by: Markus Armbruster --- hw/intc/xics_kvm.c | 7 +------ qemu-nbd.c | 6 +----- scripts/coccinelle/use-error_fatal.cocci | 20 ++++++++++++++++++++ vl.c | 7 +------ 4 files changed, 23 insertions(+), 17 deletions(-) create mode 100644 scripts/coccinelle/use-error_fatal.cocci diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 30c3769a20..e8fa9a53ae 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -198,17 +198,12 @@ static void ics_get_kvm_state(ICSState *ics) { uint64_t state; int i; - Error *local_err = NULL; for (i = 0; i < ics->nr_irqs; i++) { ICSIRQState *irq = &ics->irqs[i]; kvm_device_access(kernel_xics_fd, KVM_DEV_XICS_GRP_SOURCES, - i + ics->offset, &state, false, &local_err); - if (local_err) { - error_report_err(local_err); - exit(1); - } + i + ics->offset, &state, false, &error_fatal); irq->server = state & KVM_XICS_DESTINATION_MASK; irq->saved_priority = (state >> KVM_XICS_PRIORITY_SHIFT) diff --git a/qemu-nbd.c b/qemu-nbd.c index e76fe3082a..7874bc973c 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -1002,11 +1002,7 @@ int main(int argc, char **argv) } exp = nbd_export_new(bs, dev_offset, fd_size, nbdflags, nbd_export_closed, - writethrough, NULL, &local_err); - if (!exp) { - error_report_err(local_err); - exit(EXIT_FAILURE); - } + writethrough, NULL, &error_fatal); nbd_export_set_name(exp, export_name); nbd_export_set_description(exp, export_description); diff --git a/scripts/coccinelle/use-error_fatal.cocci b/scripts/coccinelle/use-error_fatal.cocci new file mode 100644 index 0000000000..10fff0aec4 --- /dev/null +++ b/scripts/coccinelle/use-error_fatal.cocci @@ -0,0 +1,20 @@ +@@ +type T; +identifier FUN, RET; +expression list ARGS; +expression ERR, EC, FAIL; +@@ +( +- T RET = FUN(ARGS, &ERR); ++ T RET = FUN(ARGS, &error_fatal); +| +- RET = FUN(ARGS, &ERR); ++ RET = FUN(ARGS, &error_fatal); +| +- FUN(ARGS, &ERR); ++ FUN(ARGS, &error_fatal); +) +- if (FAIL) { +- error_report_err(ERR); +- exit(EC); +- } diff --git a/vl.c b/vl.c index a867c9c4d9..9d2b38a31f 100644 --- a/vl.c +++ b/vl.c @@ -2002,15 +2002,10 @@ static void select_vgahw(const char *p) static void parse_display_qapi(const char *optarg) { - Error *err = NULL; DisplayOptions *opts; Visitor *v; - v = qobject_input_visitor_new_str(optarg, "type", &err); - if (!v) { - error_report_err(err); - exit(1); - } + v = qobject_input_visitor_new_str(optarg, "type", &error_fatal); visit_type_DisplayOptions(v, NULL, &opts, &error_fatal); QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts); -- 2.17.1