Message ID | 20181112151853.29289-3-thierry.reding@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[217.229.17.248]) by smtp.gmail.com with ESMTPSA id h4-v6sm2318625ejx.44.2018.11.12.07.18.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 12 Nov 2018 07:18:58 -0800 (PST) From: Thierry Reding <thierry.reding@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jassi Brar <jassisinghbrar@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org> Subject: [PATCH v2 02/10] mailbox: Allow multiple controllers per device Date: Mon, 12 Nov 2018 16:18:45 +0100 Message-Id: <20181112151853.29289-3-thierry.reding@gmail.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181112151853.29289-1-thierry.reding@gmail.com> References: <20181112151853.29289-1-thierry.reding@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181112_071911_111217_0CA5E913 X-CRM114-Status: GOOD ( 13.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: devicetree@vger.kernel.org, Mika Liljeberg <mliljeberg@nvidia.com>, Mikko Perttunen <mperttunen@nvidia.com>, Timo Alho <talho@nvidia.com>, linux-serial@vger.kernel.org, Jiri Slaby <jslaby@suse.com>, linux-tegra@vger.kernel.org, Pekka Pessi <ppessi@nvidia.com>, Jon Hunter <jonathanh@nvidia.com>, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
serial: Add Tegra Combined UART driver
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diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index 0eaf21259874..f34820bcf33c 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -335,7 +335,8 @@ struct mbox_chan *mbox_request_channel(struct mbox_client *cl, int index) list_for_each_entry(mbox, &mbox_cons, node) if (mbox->dev->of_node == spec.np) { chan = mbox->of_xlate(mbox, &spec); - break; + if (!IS_ERR(chan)) + break; } of_node_put(spec.np);