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Thu, 30 May 2019 13:25:38 +0000 (GMT) X-AuditID: cbfec7f4-113ff70000001119-6a-5cefd9d2c11f Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id B1.4B.04140.2D9DFEC5; Thu, 30 May 2019 14:25:38 +0100 (BST) Received: from imaximets.rnd.samsung.ru (unknown [106.109.129.180]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190530132537eusmtip1063ff78071974548cb8580d498b86936~jeNGR_cIJ2447324473eusmtip1B; Thu, 30 May 2019 13:25:37 +0000 (GMT) From: Ilya Maximets To: dev@dpdk.org Cc: Thomas Monjalon , Anatoly Burakov , Jan Blunck , Qi Zhang , Kevin Traynor , Ilya Maximets , stable@dpdk.org Date: Thu, 30 May 2019 16:25:26 +0300 Message-Id: <20190530132526.3496-1-i.maximets@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrOIsWRmVeSWpSXmKPExsWy7djPc7qXbr6PMTj10tTi0b3FzBbvPm1n srjS/pPdovVhK5PF2kMf2C2mb+hns/jX8Yfd4tODEywOHB6/Fixl9di8Qstj8Z6XTB7Hbk5j 93i/7yqbR9+WVYwBbFFcNimpOZllqUX6dglcGfNfXmcrmMxdMenvIuYGxk7OLkZODgkBE4nL W8+xgNhCAisYJaZtUOli5AKyvzBKfF//jxXC+cwosWbiRlaYjqdvJjJDJJYzShz5/IcdwvnB KLHy625mkCo2AR2JU6uPMILYIgICEp87F7OBFDEL/GeUWNK9CKxIWMBBovnwZHYQm0VAVeJG 13ywQ3gFrCRevH7CArFOXmL1hgPMEPZzNolV8zUhbBeJjQdusUPYwhKvjm+BsmUk/u+czwRh 10vcb3nJCLJYQqCDUWL6oX9QCXuJLa/PATVwAF2kKbF+lz5E2FGiYdUFVpCwhACfxI23giBh ZiBz0rbpzBBhXomONiGIahWJ3weXQ10mJXHz3Wd2iBIPiXnr9CEhGivxZdkF5gmMcrMQVi1g ZFzFKJ5aWpybnlpslJdarlecmFtcmpeul5yfu4kRmBxO/zv+ZQfjrj9JhxgFOBiVeHgFDr6P EWJNLCuuzD3EKMHBrCTC630BKMSbklhZlVqUH19UmpNafIhRmoNFSZy3muFBtJBAemJJanZq akFqEUyWiYNTqoHR0t7VS2L59mC371oG7/X9WZuuXL0y8UXOyje7D5hGtri2+/L8jvyo9MVg sjvf1qh5DRWvtzLeZMzyXr5kUUyWRnpuY83vd//dV7+ax+Z8VLzGjllQwlWnfXaexmvzuAnC qwSjJrKYPpWZWmD/OXnu5I5FZ5LZSr1Etk2X+NPDZjD77K/MjhNKLMUZiYZazEXFiQDImnfB CgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrALMWRmVeSWpSXmKPExsVy+t/xu7qXbr6PMfj7g8ni0b3FzBbvPm1n srjS/pPdovVhK5PF2kMf2C2mb+hns/jX8Yfd4tODEywOHB6/Fixl9di8Qstj8Z6XTB7Hbk5j 93i/7yqbR9+WVYwBbFF6NkX5pSWpChn5xSW2StGGFkZ6hpYWekYmlnqGxuaxVkamSvp2Nimp OZllqUX6dgl6GfNfXmcrmMxdMenvIuYGxk7OLkZODgkBE4mnbyYydzFycQgJLGWU6Lm7iQki ISXx49cFVghbWOLPtS42iKJvjBIrv01jAUmwCehInFp9hBHEFhEQkPjcuRisiFmglUni0Kzv YJOEBRwkmg9PZgexWQRUJW50zQdr5hWwknjx+gkLxAZ5idUbDjBPYORZwMiwilEktbQ4Nz23 2EivODG3uDQvXS85P3cTIzA0tx37uWUHY9e74EOMAhyMSjy8AgffxwixJpYVV+YeYpTgYFYS 4fW+ABTiTUmsrEotyo8vKs1JLT7EaAq0fCKzlGhyPjBu8kriDU0NzS0sDc2NzY3NLJTEeTsE DsYICaQnlqRmp6YWpBbB9DFxcEo1ME626uhobj9hnV4S1nvne5+RkKX1q81rZa6ws5S3Tefh 8LbrXPKB8ZG1RF7rS/54qceMT14UP98vz/B9xXKJxNuOh6dEPvtx41bG80kqv+vEPX5ddtJu WDf5734ldveU78r3zsaszrnrtP8yS8bXnfteqxR4ha7cemZ53Hvt0OI3azXuPf6Uel6JpTgj 0VCLuag4EQDkA/spYwIAAA== X-CMS-MailID: 20190530132538eucas1p28fcfddad5b73d3a0baf7095f25a6c1fd X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190530132538eucas1p28fcfddad5b73d3a0baf7095f25a6c1fd X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190530132538eucas1p28fcfddad5b73d3a0baf7095f25a6c1fd References: Subject: [dpdk-stable] [PATCH] eal: fix positive error codes from probe/remove X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" According to API, 'rte_dev_probe()' and 'rte_dev_remove()' and their 'hotplug' equivalents must return 0 or negative error code. Bus code returns positive values if device wasn't recognized by any driver, so the result of 'bus->plug/unplug()' must be converted. Positive on remove means that device not found by driver. Positive on probe means that there are no suitable buses/drivers, i.e. device is not supported. CC: stable@dpdk.org Fixes: a3ee360f4440 ("eal: add hotplug add/remove device") Fixes: 244d5130719c ("eal: enable hotplug on multi-process") Signed-off-by: Ilya Maximets --- lib/librte_eal/common/eal_common_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c index 824b8f926..f9cae8e26 100644 --- a/lib/librte_eal/common/eal_common_dev.c +++ b/lib/librte_eal/common/eal_common_dev.c @@ -233,7 +233,7 @@ rte_dev_probe(const char *devargs) * process. */ if (ret != -EEXIST) - return ret; + return (ret < 0) ? ret : -ENOTSUP; } /* primary send attach sync request to secondary. */ @@ -319,7 +319,7 @@ local_dev_remove(struct rte_device *dev) if (ret) { RTE_LOG(ERR, EAL, "Driver cannot detach the device (%s)\n", dev->name); - return ret; + return (ret < 0) ? ret : -ENOENT; } return 0; -- 2.17.1