From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 434DF30DEAE; Mon, 3 Nov 2025 12:59:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762174765; cv=none; b=hfCRkeGcuo8O98oF1eFGUtmROuArxnc8aoRdWE4MuGLwgI52ZOFWSRGYLMDDMAl1e9SdAIjuJnk0gKSVwx4tzSfMSAMTo+eN/iKHtI9G+VWKJttiub8jvDapIicfnUARJB+G54vahxEsuirz0T28dsqI9zf1Kj95Qe8euuNVvpw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762174765; c=relaxed/simple; bh=MDaNcpqSBRCQYr6Wbo2CVleFilV3wzUK5ugsLst5xT4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=WFwL6nnB7/tGWsP3RmrZOMtc8JXmCeCdK9H2wC4iY/iqpaPi+DvAG+GBUNXx/D6HsU/rk6MOhJVqUUuGra7C25HJ3nRdIc/uuR6WnuoWnT0Lg2ExhO9cMSdz1ijfGxkF3HQNy61kCtN7QJ9mo4I3k9afPXTdB63lRRa85FifddI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oY42H521; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oY42H521" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49628C4CEE7; Mon, 3 Nov 2025 12:59:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762174764; bh=MDaNcpqSBRCQYr6Wbo2CVleFilV3wzUK5ugsLst5xT4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=oY42H521Yn+pOawY02ln/CrSRSLuk/RGTyh60MiSOfW31GE4RkrNH24O4273FClhs j3cOa7/batoDl+c+utfBg2bFbpgaBZEjPa2C+3Exd8sdn7T46GE6AfDGn4oZInxCVl AEje3gcExkCYqI0uSIDPLXCiF1UoaDqxn73PFGmUVz+P7huu7XAyGb8j1b8I2tzUKK z64NU+i0nElDX92pUmKbbxvn1qgxCsoNU2/Rk/pttp2qLu5NL/VKLspCUZTtAhM+hd jzqukYeEEZmzp3U/EERtC5HFPtnuoYzNty1QSPuU3cADVRJnK0Fh1DrpwtloDaIyZV dgq+cUVfCWNtQ== From: Pratyush Yadav To: Pasha Tatashin Cc: akpm@linux-foundation.org, brauner@kernel.org, corbet@lwn.net, graf@amazon.com, jgg@ziepe.ca, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, masahiroy@kernel.org, ojeda@kernel.org, pratyush@kernel.org, rdunlap@infradead.org, rppt@kernel.org, tj@kernel.org, yanjun.zhu@linux.dev Subject: Re: [PATCH v9 9/9] liveupdate: kho: Use %pe format specifier for error pointer printing In-Reply-To: <20251101142325.1326536-10-pasha.tatashin@soleen.com> (Pasha Tatashin's message of "Sat, 1 Nov 2025 10:23:25 -0400") References: <20251101142325.1326536-1-pasha.tatashin@soleen.com> <20251101142325.1326536-10-pasha.tatashin@soleen.com> Date: Mon, 03 Nov 2025 13:59:21 +0100 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Sat, Nov 01 2025, Pasha Tatashin wrote: > From: Zhu Yanjun > > Make pr_xxx() call to use the %pe format specifier instead of %d. > The %pe specifier prints a symbolic error string (e.g., -ENOMEM, > -EINVAL) when given an error pointer created with ERR_PTR(err). > > This change enhances the clarity and diagnostic value of the error > message by showing a descriptive error name rather than a numeric > error code. > > Note, that some err are still printed by value, as those errors > might come from libfdt and not regular errnos. There is fdt_strerror() that does this for libfdt errnos. Something to do in a follow up patch I suppose. > > Signed-off-by: Zhu Yanjun > Co-developed-by: Pasha Tatashin > Signed-off-by: Pasha Tatashin > Reviewed-by: Simon Horman Reviewed-by: Pratyush Yadav [...] -- Regards, Pratyush Yadav