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Mon, 10 Aug 2026 17:34:51 -0700 (PDT) Received: from bloom.localdomain ([2604:3d09:178e:e100::6868]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-392d526c9e1sm1284329a91.17.2026.08.10.17.34.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Aug 2026 17:34:50 -0700 (PDT) From: Ivy Lopez To: akpm@linux-foundation.org, david@kernel.org Cc: ljs@kernel.org, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ivy Lopez Subject: [PATCH] mm/cma: fix stray newline in auto-generated CMA area name Date: Mon, 10 Aug 2026 18:34:41 -0600 Message-ID: <20260811003441.63725-1-skunkolee@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When no explicit name is provided, cma_new_area() falls back to generating one via snprintf(), but the format string contains an embedded newline: "cma%d\n". This name is used as-is for the area's sysfs entry (cma_sysfs.c) and debugfs directory (cma_debug.c), so every auto-named CMA area ends up with a newline embedded in its sysfs/debugfs name. Drop the stray newline and the extra space after the size argument. Signed-off-by: Ivy Lopez --- mm/cma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/cma.c b/mm/cma.c index a13ce4999b39..092cbb8f27ec 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -240,7 +240,7 @@ static int __init cma_new_area(const char *name, phys_addr_t size, if (name) strscpy(cma->name, name); else - snprintf(cma->name, CMA_MAX_NAME, "cma%d\n", cma_area_count); + snprintf(cma->name, CMA_MAX_NAME, "cma%d", cma_area_count); cma->available_count = cma->count = size >> PAGE_SHIFT; cma->order_per_bit = order_per_bit; -- 2.55.0