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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45213754973sm2179575e9.35.2025.06.05.12.35.47 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 05 Jun 2025 12:35:47 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, Paolo Bonzini , qemu-arm@nongnu.org, Glenn Miles , =?utf-8?q?Marc-And?= =?utf-8?q?r=C3=A9_Lureau?= , Peter Maydell , Stefan Hajnoczi , Stefan Berger , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , =?utf-8?q?Daniel_P_=2E_Berrang?= =?utf-8?q?=C3=A9?= Subject: [PATCH 1/4] hw/gpio/pca9552: Avoid using g_newa() Date: Thu, 5 Jun 2025 21:35:37 +0200 Message-ID: <20250605193540.59874-2-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250605193540.59874-1-philmd@linaro.org> References: <20250605193540.59874-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org We have pin_count <= PCA955X_PIN_COUNT_MAX. Having PCA955X_PIN_COUNT_MAX = 16, it is safe to explicitly allocate the char buffer on the stack, without g_newa(). Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Glenn Miles --- hw/gpio/pca9552.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/gpio/pca9552.c b/hw/gpio/pca9552.c index d65c0a2e90f..1e10238b2e0 100644 --- a/hw/gpio/pca9552.c +++ b/hw/gpio/pca9552.c @@ -76,7 +76,7 @@ static void pca955x_display_pins_status(PCA955xState *s, return; } if (trace_event_get_state_backends(TRACE_PCA955X_GPIO_STATUS)) { - char *buf = g_newa(char, k->pin_count + 1); + char buf[PCA955X_PIN_COUNT_MAX + 1]; for (i = 0; i < k->pin_count; i++) { if (extract32(pins_status, i, 1)) {