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Sat, 22 Nov 2025 19:05:07 -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 , SeongJae Park Subject: [PATCH v2 3/3] mm/zswap: use %pe to print error pointers Date: Sun, 23 Nov 2025 08:34:18 +0530 Message-ID: <0c00ceedce6e0d9aed35cee5faf15fd9126a1f70.1763796152.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-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 7698318000B X-Stat-Signature: fkdxk6tros3rxx5o4tgq8qqw4hs1zxg1 X-HE-Tag: 1763867109-510779 X-HE-Meta: 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 jjyEHB9g NgKSjDgEaNGZhDqHyssrrkTtNyHoi7t+e6ZlZy6yCRSbjIKpanttf0WljzSE7fqFf9+FYWnXANU5rpJFDsnHw1/bVqV12bIIZtfsp9uFszYybH+KkI9mhcsg5yDsGU5IvwAfJAe0uWsvlLzshW/bwmkoPaqDtMmYaO+l+GQOfw8D7ce4TkW9rwFWB5msjJ3m7pIM6b0nF+qjrPJiRqAA7imXWW+DOKQN85ALfLeKxhhd5OJ+8swMDpHyRa+rdJ39+S/RVzBgWK8vuX1i1XUxfvpNhErahAjqbyH0Q0jUJ5BbFWWpq7Gl+sQDHc1PBmrodxtkOj3z+2QjdMfw0ApfSf66pYSfO3BOVXYS7Pw9UJbq63zFIK6V/UP24zqcX5SJbkHZkLpU0NSngSgJSbaFhiu1bHDmYgTpn98DLTU6OTtEQ9PrrEZXFhwJLy1RL1CjUib80XnLLg1Vz10IDfKM9nB7Uu0Dw7CKm1g3SNYv5q2x59qRAR6WRhB3cPOKWJIaYMVewY1EMhDuDE2E9O0Z/DagMmSX5EHA3Mrj3 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. Acked-by: Yosry Ahmed Acked-by: Nhat Pham Reviewed-by: SeongJae Park 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