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Mon, 22 Jun 2020 18:58:55 -0700 (PDT) Received: from localhost.localdomain ([2604:1380:4111:8b00::3]) by smtp.gmail.com with ESMTPSA id c13sm3737990otm.78.2020.06.22.18.58.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jun 2020 18:58:54 -0700 (PDT) From: Nathan Chancellor To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Barry Song , Nathan Chancellor Subject: [PATCH] mm: cma: Return cma->name directly in cma_get_name Date: Mon, 22 Jun 2020 18:58:40 -0700 Message-Id: <20200623015840.621964-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Patchwork-Bot: notify X-Rspamd-Queue-Id: 7ADD7100E6903 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000109, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: clang warns: mm/cma.c:55:14: warning: address of array 'cma->name' will always evaluate to 'true' [-Wpointer-bool-conversion] return cma->name ? cma->name : "(undefined)"; ~~~~~^~~~ ~ 1 warning generated. After commit e7f0557d7de9 ("mm: cma: fix the name of CMA areas"), cma->name will be an array with some value worth printing so we do not need to check for NULL. Link: https://github.com/ClangBuiltLinux/linux/issues/1063 Signed-off-by: Nathan Chancellor Acked-by: Barry Song --- mm/cma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) base-commit: 27f11fea33608cbd321a97cbecfa2ef97dcc1821 diff --git a/mm/cma.c b/mm/cma.c index 31a61d410c59..6cf08817bac6 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -52,7 +52,7 @@ unsigned long cma_get_size(const struct cma *cma) const char *cma_get_name(const struct cma *cma) { - return cma->name ? cma->name : "(undefined)"; + return cma->name; } static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,