From nobody Mon Feb 9 08:11:25 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1554712999247403.0947282674; Mon, 8 Apr 2019 01:43:19 -0700 (PDT) Received: from localhost ([127.0.0.1]:49426 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDPs4-00051S-3l for importer@patchew.org; Mon, 08 Apr 2019 04:43:16 -0400 Received: from eggs.gnu.org ([209.51.188.92]:48890) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDPlZ-00088u-Eo for qemu-devel@nongnu.org; Mon, 08 Apr 2019 04:36:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hDPlX-0003cq-Uz for qemu-devel@nongnu.org; Mon, 08 Apr 2019 04:36:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52474) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hDPlX-0003cE-Jj for qemu-devel@nongnu.org; Mon, 08 Apr 2019 04:36:31 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DE22F3092662; Mon, 8 Apr 2019 08:36:30 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-116.ams2.redhat.com [10.36.116.116]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6F8735C5DF; Mon, 8 Apr 2019 08:36:29 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id DD1A91132B74; Mon, 8 Apr 2019 10:36:27 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Mon, 8 Apr 2019 10:36:16 +0200 Message-Id: <20190408083627.7479-5-armbru@redhat.com> In-Reply-To: <20190408083627.7479-1-armbru@redhat.com> References: <20190408083627.7479-1-armbru@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Mon, 08 Apr 2019 08:36:30 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 04/15] loader-fit: Wean off error_printf() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aleksandar Rikalo , Paul Burton Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" load_fit() reports errors with error_printf() instead of error_report(). Worse, it even reports errors it actually recovers from, in fit_cfg_compatible() and fit_load_fdt(). Messed up in initial commit 51b58561c1d. Convert the helper functions for load_fit() to Error. Make sure each failure path sets an error. Fix fit_cfg_compatible() and fit_load_fdt() not to report errors they actually recover from. Convert load_fit() to error_report(). Cc: Paul Burton Cc: Aleksandar Rikalo Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/core/loader-fit.c | 62 +++++++++++++++++++++++++------------------- 1 file changed, 36 insertions(+), 26 deletions(-) diff --git a/hw/core/loader-fit.c b/hw/core/loader-fit.c index 447f60857d..f27b6af942 100644 --- a/hw/core/loader-fit.c +++ b/hw/core/loader-fit.c @@ -18,6 +18,7 @@ */ =20 #include "qemu/osdep.h" +#include "qapi/error.h" #include "qemu/units.h" #include "exec/memory.h" #include "hw/loader.h" @@ -33,7 +34,7 @@ #define FIT_LOADER_MAX_PATH (128) =20 static const void *fit_load_image_alloc(const void *itb, const char *name, - int *poff, size_t *psz) + int *poff, size_t *psz, Error **er= rp) { const void *data; const char *comp; @@ -46,6 +47,7 @@ static const void *fit_load_image_alloc(const void *itb, = const char *name, =20 off =3D fdt_path_offset(itb, path); if (off < 0) { + error_setg(errp, "can't find node %s", path); return NULL; } if (poff) { @@ -54,6 +56,7 @@ static const void *fit_load_image_alloc(const void *itb, = const char *name, =20 data =3D fdt_getprop(itb, off, "data", &sz); if (!data) { + error_setg(errp, "can't get %s/data", path); return NULL; } =20 @@ -73,7 +76,7 @@ static const void *fit_load_image_alloc(const void *itb, = const char *name, =20 uncomp_len =3D gunzip(uncomp_data, uncomp_len, (void *) data, sz); if (uncomp_len < 0) { - error_printf("unable to decompress %s image\n", name); + error_setg(errp, "unable to decompress %s image", name); g_free(uncomp_data); return NULL; } @@ -85,18 +88,19 @@ static const void *fit_load_image_alloc(const void *itb= , const char *name, return data; } =20 - error_printf("unknown compression '%s'\n", comp); + error_setg(errp, "unknown compression '%s'", comp); return NULL; } =20 static int fit_image_addr(const void *itb, int img, const char *name, - hwaddr *addr) + hwaddr *addr, Error **errp) { const void *prop; int len; =20 prop =3D fdt_getprop(itb, img, name, &len); if (!prop) { + error_setg(errp, "can't find %s address", name); return -ENOENT; } =20 @@ -108,13 +112,14 @@ static int fit_image_addr(const void *itb, int img, c= onst char *name, *addr =3D fdt64_to_cpu(*(fdt64_t *)prop); return 0; default: - error_printf("invalid %s address length %d\n", name, len); + error_setg(errp, "invalid %s address length %d", name, len); return -EINVAL; } } =20 static int fit_load_kernel(const struct fit_loader *ldr, const void *itb, - int cfg, void *opaque, hwaddr *pend) + int cfg, void *opaque, hwaddr *pend, + Error **errp) { const char *name; const void *data; @@ -126,26 +131,26 @@ static int fit_load_kernel(const struct fit_loader *l= dr, const void *itb, =20 name =3D fdt_getprop(itb, cfg, "kernel", NULL); if (!name) { - error_printf("no kernel specified by FIT configuration\n"); + error_setg(errp, "no kernel specified by FIT configuration"); return -EINVAL; } =20 - load_data =3D data =3D fit_load_image_alloc(itb, name, &img_off, &sz); + load_data =3D data =3D fit_load_image_alloc(itb, name, &img_off, &sz, = errp); if (!data) { - error_printf("unable to load kernel image from FIT\n"); + error_prepend(errp, "unable to load kernel image from FIT: "); return -EINVAL; } =20 - err =3D fit_image_addr(itb, img_off, "load", &load_addr); + err =3D fit_image_addr(itb, img_off, "load", &load_addr, errp); if (err) { - error_printf("unable to read kernel load address from FIT\n"); + error_prepend(errp, "unable to read kernel load address from FIT: = "); ret =3D err; goto out; } =20 - err =3D fit_image_addr(itb, img_off, "entry", &entry_addr); + err =3D fit_image_addr(itb, img_off, "entry", &entry_addr, errp); if (err) { - error_printf("unable to read kernel entry address from FIT\n"); + error_prepend(errp, "unable to read kernel entry address from FIT:= "); ret =3D err; goto out; } @@ -172,7 +177,7 @@ out: =20 static int fit_load_fdt(const struct fit_loader *ldr, const void *itb, int cfg, void *opaque, const void *match_data, - hwaddr kernel_end) + hwaddr kernel_end, Error **errp) { const char *name; const void *data; @@ -187,16 +192,18 @@ static int fit_load_fdt(const struct fit_loader *ldr,= const void *itb, return 0; } =20 - load_data =3D data =3D fit_load_image_alloc(itb, name, &img_off, &sz); + load_data =3D data =3D fit_load_image_alloc(itb, name, &img_off, &sz, = errp); if (!data) { - error_printf("unable to load FDT image from FIT\n"); + error_prepend(errp, "unable to load FDT image from FIT: "); return -EINVAL; } =20 - err =3D fit_image_addr(itb, img_off, "load", &load_addr); + err =3D fit_image_addr(itb, img_off, "load", &load_addr, errp); if (err =3D=3D -ENOENT) { load_addr =3D ROUND_UP(kernel_end, 64 * KiB) + (10 * MiB); + error_free(*errp); } else if (err) { + error_prepend(errp, "unable to read FDT load address from FIT: "); ret =3D err; goto out; } @@ -229,7 +236,7 @@ static bool fit_cfg_compatible(const void *itb, int cfg= , const char *compat) return false; } =20 - fdt =3D fit_load_image_alloc(itb, fdt_name, NULL, NULL); + fdt =3D fit_load_image_alloc(itb, fdt_name, NULL, NULL, NULL); if (!fdt) { return false; } @@ -252,11 +259,12 @@ out: =20 int load_fit(const struct fit_loader *ldr, const char *filename, void *opa= que) { + Error *err =3D NULL; const struct fit_loader_match *match; const void *itb, *match_data =3D NULL; const char *def_cfg_name; char path[FIT_LOADER_MAX_PATH]; - int itb_size, configs, cfg_off, off, err; + int itb_size, configs, cfg_off, off; hwaddr kernel_end; int ret; =20 @@ -267,6 +275,7 @@ int load_fit(const struct fit_loader *ldr, const char *= filename, void *opaque) =20 configs =3D fdt_path_offset(itb, "/configurations"); if (configs < 0) { + error_report("can't find node /configurations"); ret =3D configs; goto out; } @@ -301,20 +310,21 @@ int load_fit(const struct fit_loader *ldr, const char= *filename, void *opaque) } =20 if (cfg_off < 0) { - /* couldn't find a configuration to use */ + error_report("can't find configuration"); ret =3D cfg_off; goto out; } =20 - err =3D fit_load_kernel(ldr, itb, cfg_off, opaque, &kernel_end); - if (err) { - ret =3D err; + ret =3D fit_load_kernel(ldr, itb, cfg_off, opaque, &kernel_end, &err); + if (ret) { + error_report_err(err); goto out; } =20 - err =3D fit_load_fdt(ldr, itb, cfg_off, opaque, match_data, kernel_end= ); - if (err) { - ret =3D err; + ret =3D fit_load_fdt(ldr, itb, cfg_off, opaque, match_data, kernel_end, + &err); + if (ret) { + error_report_err(err); goto out; } =20 --=20 2.17.2