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Thu, 27 Nov 2025 23:02:37 -0800 (PST) From: Sahil Chandna To: akpm@linux-foundation.org, david@redhat.com, lorenzo.stoakes@oracle.com, mhocko@suse.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, hannes@cmpxchg.org, shakeel.butt@linux.dev, zhengqi.arch@bytedance.com, Liam.Howlett@oracle.com, weixugc@google.com, axelrasmussen@google.com, yuanchu@google.com, yosry.ahmed@linux.dev, nphamcs@gmail.com, chengming.zhou@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: david@kernel.org, Sahil Chandna , SeongJae Park Subject: [PATCH v4 3/3] mm/zswap: use %pe to print error pointers Date: Fri, 28 Nov 2025 12:31:44 +0530 Message-ID: <6d729a60eb71baade3670e5bb609a068683af3eb.1764312627.git.chandna.sahil@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use the %pe printk format specifier to report error pointers directly instead of printing PTR_ERR() as a long value. This improves clarity, produces more readable error messages. This instance was flagged by the Coccinelle script (misc/ptr_err_to_pe.cocci) as an opportunity to adopt %pe. Found by: make coccicheck MODE=3Dreport M=3Dmm/ No functional change intended. Acked-by: Yosry Ahmed Acked-by: Nhat Pham Acked-by: David Hildenbrand (Red Hat) Reviewed-by: SeongJae Park Signed-off-by: Sahil Chandna --- Changes since v2: - Add Acked-by tag. link to v2: https://lore.kernel.org/all/0c00ceedce6e0d9aed35cee5faf15fd9126= a1f70.1763796152.git.chandna.sahil@gmail.com/ link to v3: https://lore.kernel.org/all/57b7205813aa87c8f5c8bf765e5a8d88dae= ba68f.1764177933.git.chandna.sahil@gmail.com/ --- mm/zswap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/zswap.c b/mm/zswap.c index c1af782e54ec..c35604db32ad 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -749,8 +749,8 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, str= uct hlist_node *node) =20 acomp =3D crypto_alloc_acomp_node(pool->tfm_name, 0, 0, cpu_to_node(cpu)); if (IS_ERR(acomp)) { - pr_err("could not alloc crypto acomp %s : %ld\n", - pool->tfm_name, PTR_ERR(acomp)); + pr_err("could not alloc crypto acomp %s : %pe\n", + pool->tfm_name, acomp); ret =3D PTR_ERR(acomp); goto fail; } --=20 2.50.1