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Mon, 13 Apr 2026 00:49:58 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d63e5062fsm29721599f8f.31.2026.04.13.00.49.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 00:49:57 -0700 (PDT) Date: Mon, 13 Apr 2026 10:49:54 +0300 From: Dan Carpenter To: Andy Shevchenko Cc: Mahad Ibrahim , Andy Shevchenko , Greg Kroah-Hartman , Shuah Khan , linux-kernel-mentees@lists.linuxfoundation.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] staging: fbtft: Use %pe format specifier for error pointers Message-ID: References: <20260412144552.18493-1-mahad.ibrahim.dev@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Apr 13, 2026 at 10:03:58AM +0300, Andy Shevchenko wrote: > On Sun, Apr 12, 2026 at 5:46 PM Mahad Ibrahim > wrote: > > > > The %pe format specifier resolves error pointers to their symbolic > > representation. Previously %ld with PTR_ERR() was being used, %pe is a > > better alternative. > > > > Fixes the following coccinelle warnings reported by coccicheck: > > WARNING: Consider using %pe to print PTR_ERR() > > > > Testing: I do not own the hardware, therefore I could not perform > > hardware testing. Compile tested only. > > I don't think it makes any difference for this driver. But I am not > objecting to the change. Up to Greg if he wants to apply or not. I always like these changes. I wish that there were an equivalent %e which printed error codes that weren't stored in an error pointer. KTODO: introduce a %e type format thing which prints error codes regards, dan carpenter