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h=X-UI-Sender-Class:Cc:Subject:From:To:Date; b=RKUhYc0rWQnux02Ro1wBTLVZ620PnblMZuUuWhzu7KyGcMPzXoBahzGOYt9IN9HXG zMG2SQsNxuOiN/HwWo8U7yMwbQgZ6YPAWM6zqhDDvy/pma2JpMLdlws99KlcXYQM7q 6JfGX+shsCiswN1PhQRiAPDsf+dkgyVAKkPmEh8E= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.131.103.145]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MTPn1-1jIlXD1KH1-00SQcV; Sun, 14 Jun 2020 13:31:12 +0200 Cc: Navid Emamdoost , Kangjie Lu , Stephen McCamant , Qiushi Wu , Alyssa Rosenzweig , Daniel Vetter , David Airlie , Rob Herring , Steven Price , Tomeu Vizoso , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm/panfrost: fix ref count leak in panfrost_job_hw_submit From: Markus Elfring To: Navid Emamdoost , dri-devel@lists.freedesktop.org Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: <05cb6c2f-35f3-b81e-4fa5-f7ffb874176f@web.de> Date: Sun, 14 Jun 2020 13:31:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:z6xh1iUTXzVCSOqHzQn6PVQwa3iPFIfZQwM3pQV6Ce/NyLwG1Cq TP5NiOAYODkvwU9ffaIpQPxoxvLStmbjBDfNZjJ9Vub8g4VG+CzvLXSj9P0oaxOVXbDS9IV 8pJuuJfkW5yZ+k989gqzGPA98Uj33d126EhV5jEbN/JKa/U1Yzb01mspcfZIoUhp0XAfiZg XkFWxaQvLf3HZNBO+9UBg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:NN9mbHbgHY0=:bS1cH616vmhrC+2bgOfIk4 Lw7U49GGuNGvPZzaUQ0uPgQilBpePK1q6WBy9QBer3nweOCAMzGPDfRTz2rycJrKEz9zP+lkX J1d0DcUfVvUGIVgkFUozOB0QYZ93BjNUTppeWvY+h4/Gqhg9DeX39wrlGGryGn0vqrJZoGzt/ KL3/wJ6hCOofyofUdATmQeR7XMJJ/iQa+SsvLsYClEXiYSe3JlU6D2rrE3S4Fom/rfFuZcBg9 jEcEE3EBoxWXQEM0tcc/dBw53X8H7d5BEJTpFX/UrLQ/mwsr/n+g1Xtc5htA8oG+AuPDxr856 0NeDhvMn0MEKhaSs+KsLyv2DB05Z9qTkbUH9ZlMSkYr0iKlOfBuR8wkFN66yQq7p4ld8QxNO+ CT1naDkT671+1JN3TReZnMNZqqShH/dDkKaWfQLBB+pVFzmYN3hhr83AWTbWXbF9de2XGOtUo tBqJAbADbuD38S8h9fP/eGZoE5ecdTVwdCGkqChFCktMQVa7CPNpZKcCkRMgcHl2ahWVqP+MC qTS/pFQ1KaRjXig5ANzxpxx2dBv2eRHHDjGyyb7fG3zCORVZjd2s7qHASVvNLreqOHDaiT1dF hF4D/5PvZxozqqr7k4bEeb7qfZfK4ncRwrW3OF+3k60nhJDVebvOkMM472Vs2Q2kSK6qMAkmL UU8QMP9DHbMgg5+ssfUV+fCBe+VdVkk7Uwll1NaWq1+UI427hd67zJohCYca82BMZ2qcGhC6G 5YROICxx0TItoApI7+apfLIDOoYY9WbUw+YQWJUc+oKKg3gBZ77wLCSW4QqkLGmI6LNiQ/NkG tH2PYNKVZ8XA8D9vxv8ja+FOFckYgYn7/tsbiM3tFIHirpFqfJTjKgTzydwNbiJr4pCDgE5RZ EJ5iHTdoy9BvL9lwM3OJrFQCEG2vDZOsFdDIVv3v2yYSSOCCTVUKexpQ97wo93LH2y4oVE1dC QClWD++FjeilTGQJ9KbBG3AhN8G/60OT/UN5eMmbXbBfaperbdtYdHi1EJd8yHIHHpqO2yg9J 1NiuPcjuVMshCyK9aRZ/hAr30xrcDTrR19Tj/S+rr58Ta0eDJUHH6u63AGIdKaylBSBrlxj94 CFSj/wUv/tIoJisPDa7W3P2PyyH7uXLfs+jYJ9KclVor1bAS/x2geqa2hGRyOKwGIh2f1+H61 ciqUFWFff4Dt2yPo9pErsrKo1ypxpLPHl29xJLjR7XP9HzLKBE3SkXuzy3Jth/5ghJ9/SQFKG AmILlXm9efKbrMkbO Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > in panfrost_job_hw_submit, =E2=80=A6 * Can the term =E2=80=9Creference count=E2=80=9D become relevant also for = this commit message besides other possible adjustments? * Would you like to add the tag =E2=80=9CFixes=E2=80=9D? =E2=80=A6 > +++ b/drivers/gpu/drm/panfrost/panfrost_job.c =E2=80=A6 > @@ -184,6 +183,9 @@ static void panfrost_job_hw_submit(struct panfrost_= job *job, int js) > job, js, jc_head); > > job_write(pfdev, JS_COMMAND_NEXT(js), JS_COMMAND_START); > +out: > + pm_runtime_put_sync_autosuspend(pfdev->dev); > + return; > } =E2=80=A6 Perhaps use the label =E2=80=9Cput_sync=E2=80=9D instead? Regards, Markus