[{"id":1766067,"web_url":"http://patchwork.ozlabs.org/comment/1766067/","msgid":"","list_archive_url":null,"date":"2017-09-11T06:17:57","subject":"Re: [U-Boot] [PATCH v1] cmd: usb: add blk devices to ignore list in\n\ttree graph","submitter":{"id":6170,"url":"http://patchwork.ozlabs.org/api/people/6170/","name":"Simon Glass","email":"sjg@chromium.org"},"content":"On 6 September 2017 at 11:01, Suneel Garapati wrote:\n> add blk child devices to ignore list while displaying\n> usb tree graph, otherwise usb tree and info commands\n> may cause crash treating blk as usb device.\n>\n> Signed-off-by: Suneel Garapati \n> ---\n>\n> Changes v1:\n> - add separate check on blk uclass\n> - modify description\n> - add separate check on parent uclass as usb\n>\n> cmd/usb.c | 12 +++++++++---\n> 1 file changed, 9 insertions(+), 3 deletions(-)\n\nReviewed-by: Simon Glass ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1768958,"web_url":"http://patchwork.ozlabs.org/comment/1768958/","msgid":"","list_archive_url":null,"date":"2017-09-15T06:27:30","subject":"Re: [U-Boot] [PATCH v1] cmd: usb: add blk devices to ignore list in\n\ttree graph","submitter":{"id":64981,"url":"http://patchwork.ozlabs.org/api/people/64981/","name":"Bin Meng","email":"bmeng.cn@gmail.com"},"content":"Hi Suneel,\n\nOn Mon, Sep 11, 2017 at 2:17 PM, Simon Glass wrote:\n> On 6 September 2017 at 11:01, Suneel Garapati wrote:\n>> add blk child devices to ignore list while displaying\n>> usb tree graph, otherwise usb tree and info commands\n>> may cause crash treating blk as usb device.\n>>\n>> Signed-off-by: Suneel Garapati \n>> ---\n>>\n>> Changes v1:\n>> - add separate check on blk uclass\n>> - modify description\n>> - add separate check on parent uclass as usb\n>>\n>> cmd/usb.c | 12 +++++++++---\n>> 1 file changed, 9 insertions(+), 3 deletions(-)\n>\n> Reviewed-by: Simon Glass \n\n'usb tree' is seriously broken with this patch. See below.\n\n=> usb tree\nUSB device tree:\n 1 Hub (5 Gb/s, 0mA)\n | U-Boot XHCI Host Controller\n |\n\nRegards,\nBin","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"taZ9jpPF\"; dkim-atps=neutral"],"Received":["from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xtlnV4V9Kz9s82\n\tfor ;\n\tFri, 15 Sep 2017 16:27:41 +1000 (AEST)","by lists.denx.de (Postfix, from userid 105)\n\tid 22BBCC21F9C; Fri, 15 Sep 2017 06:27:35 +0000 (UTC)","from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 6E786C21E31;\n\tFri, 15 Sep 2017 06:27:33 +0000 (UTC)","by lists.denx.de (Postfix, from userid 105)\n\tid 88AD0C21E31; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1769395,"web_url":"http://patchwork.ozlabs.org/comment/1769395/","msgid":"","list_archive_url":null,"date":"2017-09-15T19:27:27","subject":"Re: [U-Boot] [PATCH v1] cmd: usb: add blk devices to ignore list in\n\ttree graph","submitter":{"id":72058,"url":"http://patchwork.ozlabs.org/api/people/72058/","name":"Suneel Garapati","email":"suneelglinux@gmail.com"},"content":"Hi Bin,\n\nOn Thu, Sep 14, 2017 at 11:27 PM, Bin Meng wrote:\n> Hi Suneel,\n>\n> On Mon, Sep 11, 2017 at 2:17 PM, Simon Glass wrote:\n>> On 6 September 2017 at 11:01, Suneel Garapati wrote:\n>>> add blk child devices to ignore list while displaying\n>>> usb tree graph, otherwise usb tree and info commands\n>>> may cause crash treating blk as usb device.\n>>>\n>>> Signed-off-by: Suneel Garapati \n>>> ---\n>>>\n>>> Changes v1:\n>>> - add separate check on blk uclass\n>>> - modify description\n>>> - add separate check on parent uclass as usb\n>>>\n>>> cmd/usb.c | 12 +++++++++---\n>>> 1 file changed, 9 insertions(+), 3 deletions(-)\n>>\n>> Reviewed-by: Simon Glass \n>\n> 'usb tree' is seriously broken with this patch. See below.\n>\n> => usb tree\n> USB device tree:\n> 1 Hub (5 Gb/s, 0mA)\n> | U-Boot XHCI Host Controller\n> |\n\nYeah, I see that too. Looks like the parent uclass could be\nUSB,USB_HUB/MASS_STORAGE/DEV_GENERIC.\nSimon suggested this check for robustness although\nusb_for_each_root_dev calls on only UCLASS_USB devices.\n\nWell, either code can check on all of those or don't check at all.\n if ((device_get_uclass_id(child) != UCLASS_USB_EMUL) &&\n (device_get_uclass_id(child) != UCLASS_BLK) &&\n ((device_get_uclass_id(child->parent) == UCLASS_USB) ||\n (device_get_uclass_id(child->parent) == UCLASS_USB_HUB) ||\n (device_get_uclass_id(child->parent) ==\nUCLASS_USB_DEV_GENERIC) ||\n (device_get_uclass_id(child->parent) ==\nUCLASS_MASS_STORAGE))) {\n\nI would prefer someone to take a call.\n\nRegards,\nSuneel\n\n>\n> Regards,\n> Bin","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"AKwc0obr\"; dkim-atps=neutral"],"Received":["from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xv5Kd2W3nz9s0Z\n\tfor ;\n\tSat, 16 Sep 2017 05:38:13 +1000 (AEST)","by lists.denx.de (Postfix, from userid 105)\n\tid 05E83C2223C; Fri, 15 Sep 2017 19:34:43 +0000 (UTC)","from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 4F5A2C22190;\n\tFri, 15 Sep 2017 19:34:42 +0000 (UTC)","by lists.denx.de (Postfix, from userid 105)\n\tid CA8C0C22185; Fri, 15 Sep 2017 19:28:39 +0000 (UTC)","from mail-qk0-f194.google.com (mail-qk0-f194.google.com\n\t[209.85.220.194])\n\tby lists.denx.de (Postfix) with ESMTPS id C39D6C22097\n\tfor ; Fri, 15 Sep 2017 19:27:28 +0000 (UTC)","by mail-qk0-f194.google.com with SMTP id r66so2010755qke.4\n\tfor ; Fri, 15 Sep 2017 12:27:28 -0700 (PDT)","by 10.140.37.72 with HTTP; Fri, 15 Sep 2017 12:27:27 -0700 (PDT)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de","X-Spam-Level":"**","X-Spam-Status":"No, score=2.5 required=5.0 tests=DRUGS_MUSCLE, FREEMAIL_FROM, \n\tRCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,\n\tT_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=mime-version:in-reply-to:references:from:date:message-id:subject:to\n\t:cc; bh=zf81hx2Yi63WE+hvPZFikO1L1u8eEiAShgbPQiN1ZOg=;\n\tb=AKwc0obrKLNAtL6OxjV8Xz2MACprYeVrNWTiGmrK9CdfsLyLg4xwDEy0e/nJpboiJ9\n\tKmag50CGHnKgok0wBn942TlUW8uIXAYsII99Q0I8RzoOirJ6kjyUygFwT82BKPst5VZB\n\t6zwcFJV+cRkDcZH9t1HtvX/88BX3WpcTm5iqMBPlInVAGWNF4ATklgGG70nB0XAwHb3j\n\twmea39UGSmPRetgwnHGTqIMDJclbuvvJ6hGp5x1HFp02EwtZB2LQ8AZ4jY5apJjWZsRI\n\tPwbCkcslPMynEJaXE32aUQmKroNMdIJ3ana2kmjeP/5HMOfhPvBI7eLjvyS9n/DK6xH6\n\tmkZQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:mime-version:in-reply-to:references:from:date\n\t:message-id:subject:to:cc;\n\tbh=zf81hx2Yi63WE+hvPZFikO1L1u8eEiAShgbPQiN1ZOg=;\n\tb=tk2Lqv6UFP9N2wXhP99YhocfSEPFT4QW8NF4ds4rTvkulHMYV+wPW83fqupKG0VTri\n\tDyJwQyIXFRl+iN5lE41P09D1+dNY+xaUotH5R61qMEjHZva1R7P/UAKUzdvvVcqLUbRO\n\tk1ieIT3dcEU3ud4XGw3P6yYQl6WCQX47/KaT3BVjD8cOZmjOPwkEXAMxEf5cMZ+mC/oa\n\tlEEcVeLMrXcXVHPUe0UvTWCDyLKzS9w10Y/45phDW4rYmMeKtap34UmAEOb2bcH8r00M\n\taiZZ7hWLOuItJFmoCbCZWrMHG9pPh/Vn6X895lEysjPLjrPF1mLVRhBaMO3KGabOz0RB\n\tYD6w==","X-Gm-Message-State":"AHPjjUiGqQJxjvO6UkXebYa2L0Qbc43ftxCGoARw0b4pECSr6cnTe9s7\n\tick9oio8kQhN3J31hRqUuiBcf4qbAo6HVXmesIU=","X-Google-Smtp-Source":"AOwi7QBorSWK/eSTL2BqC1OVu2N4M8ncxRJh81Mr2TCuKTlxLoj9rsjg8+ZGE4uv7u/jSgWb3uPM1wv6518WCG6Ao8Y=","X-Received":"by 10.55.159.130 with SMTP id i124mr9456686qke.339.1505503647739;\n\tFri, 15 Sep 2017 12:27:27 -0700 (PDT)","MIME-Version":"1.0","In-Reply-To":"","References":"<1504717269-11918-1-git-send-email-suneelglinux@gmail.com>\n\t\n\t","From":"Suneel Garapati ","Date":"Fri, 15 Sep 2017 12:27:27 -0700","Message-ID":"","To":"Bin Meng ","Cc":"U-Boot Mailing List , Stefan Roese ,\n\tMichal Simek ","Subject":"Re: [U-Boot] [PATCH v1] cmd: usb: add blk devices to ignore list in\n\ttree graph","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}}]