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Mon, 17 Nov 2025 22:09:24 -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: Sahil Chandna Subject: [PATCH 3/3] mm/zswap: use %pe to print PTR_ERR() values Date: Tue, 18 Nov 2025 11:38:51 +0530 Message-ID: <555cdbea3a51898e4c84fdc0f444dae0c2e20f24.1763227530.git.chandna.sahil@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 0A72A40011 X-Stat-Signature: aug6s1qwyq6zon5a8rw36fn1j9swnfyf X-Rspam-User: X-HE-Tag: 1763446165-92414 X-HE-Meta: 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 VLx8BTcR 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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=report M=mm/ No functional change intended. Signed-off-by: Sahil Chandna --- 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, struct hlist_node *node) acomp = 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 = PTR_ERR(acomp); goto fail; } -- 2.50.1