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Wysocki" , kernel test robot , linux-kernel@vger.kernel.org Subject: [PATCH] OPP: debugfs: Fix warning with W=1 builds Date: Mon, 4 Mar 2024 12:50:50 +0530 Message-Id: <50a1a0f23efdc261844a306f5e611051843b4e52.1709536847.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.31.1.272.g89b43f80a514 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 We currently get the following warning: debugfs.c:105:54: error: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 8 [-Werror=format-truncation=] snprintf(name, sizeof(name), "supply-%d", i); ^~ debugfs.c:105:46: note: directive argument in the range [-2147483644, 2147483646] snprintf(name, sizeof(name), "supply-%d", i); ^~~~~~~~~~~ debugfs.c:105:17: note: 'snprintf' output between 9 and 19 bytes into a destination of size 15 snprintf(name, sizeof(name), "supply-%d", i); Fix this and another potential issue it by increasing size of the arrays. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202402141313.81ltVF5g-lkp@intel.com/ Signed-off-by: Viresh Kumar --- drivers/opp/debugfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c index ec030b19164a..96313aa55db6 100644 --- a/drivers/opp/debugfs.c +++ b/drivers/opp/debugfs.c @@ -78,7 +78,7 @@ static void opp_debug_create_clks(struct dev_pm_opp *opp, struct opp_table *opp_table, struct dentry *pdentry) { - char name[12]; + char name[19]; int i; if (opp_table->clk_count == 1) { @@ -100,7 +100,7 @@ static void opp_debug_create_supplies(struct dev_pm_opp *opp, int i; for (i = 0; i < opp_table->regulator_count; i++) { - char name[15]; + char name[19]; snprintf(name, sizeof(name), "supply-%d", i);