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Wysocki" To: Linux PM Cc: LKML , Ulf Hansson , Stanislaw Gruszka Subject: [PATCH v2 03/10] PM: sleep: stats: Use unsigned int for success and failure counters Date: Mon, 29 Jan 2024 17:13:14 +0100 Message-ID: <2941406.e9J7NaK4W3@kreacher> In-Reply-To: <5770175.DvuYhMxLoT@kreacher> References: <5770175.DvuYhMxLoT@kreacher> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CLIENT-IP: 195.136.19.94 X-CLIENT-HOSTNAME: 195.136.19.94 X-VADE-SPAMSTATE: clean X-VADE-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvkedrfedtgedgjeekucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecujffqoffgrffnpdggtffipffknecuuegrihhlohhuthemucduhedtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkfgjfhgggfgtsehtufertddttdejnecuhfhrohhmpedftfgrfhgrvghlucflrdcuhgihshhotghkihdfuceorhhjfiesrhhjfiihshhotghkihdrnhgvtheqnecuggftrfgrthhtvghrnhepvdffueeitdfgvddtudegueejtdffteetgeefkeffvdeftddttdeuhfegfedvjefhnecukfhppeduleehrddufeeirdduledrleegnecuvehluhhsthgvrhfuihiivgepudenucfrrghrrghmpehinhgvthepudelhedrudefiedrudelrdelgedphhgvlhhopehkrhgvrggthhgvrhdrlhhotggrlhhnvghtpdhmrghilhhfrhhomhepfdftrghfrggvlhculfdrucghhihsohgtkhhifdcuoehrjhifsehrjhifhihsohgtkhhirdhnvghtqedpnhgspghrtghpthhtohepgedprhgtphhtthhopehlihhnuhigqdhpmhesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehulhhfrdhhrghnshhsohhnsehlihhnrghrohdrohhrghdprhgtphhtthhopehsthgrnhhishhlrgifrdhgrhhushiikhgrsehlihhnuhigrdhinhhtvghlrdgtohhm X-DCC--Metrics: v370.home.net.pl 1024; Body=4 Fuz1=4 Fuz2=4 Content-Type: text/plain; charset="utf-8" From: Rafael J. Wysocki Change the type of the "success" and "fail" fields in struct suspend_stats to unsigned int, because they cannot be negative. No intentional functional impact. Signed-off-by: Rafael J. Wysocki Reviewed-by: Stanislaw Gruszka --- v1 -> v2: New patch. --- include/linux/suspend.h | 4 ++-- kernel/power/main.c | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) Index: linux-pm/include/linux/suspend.h =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- linux-pm.orig/include/linux/suspend.h +++ linux-pm/include/linux/suspend.h @@ -56,8 +56,8 @@ enum suspend_stat_step { =20 struct suspend_stats { unsigned int step_failures[SUSPEND_NR_STEPS]; - int success; - int fail; + unsigned int success; + unsigned int fail; #define REC_FAILED_NUM 2 int last_failed_dev; char failed_devs[REC_FAILED_NUM][40]; Index: linux-pm/kernel/power/main.c =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- linux-pm.orig/kernel/power/main.c +++ linux-pm/kernel/power/main.c @@ -339,8 +339,8 @@ static ssize_t _name##_show(struct kobje } \ static struct kobj_attribute _name =3D __ATTR_RO(_name) =20 -suspend_attr(success, "%d\n"); -suspend_attr(fail, "%d\n"); +suspend_attr(success, "%u\n"); +suspend_attr(fail, "%u\n"); suspend_attr(last_hw_sleep, "%llu\n"); suspend_attr(total_hw_sleep, "%llu\n"); suspend_attr(max_hw_sleep, "%llu\n"); @@ -458,7 +458,7 @@ static int suspend_stats_show(struct seq last_step =3D suspend_stats.last_failed_step + REC_FAILED_NUM - 1; last_step %=3D REC_FAILED_NUM; =20 - seq_printf(s, "success: %d\nfail: %d\n", + seq_printf(s, "success: %u\nfail: %u\n", suspend_stats.success, suspend_stats.fail); =20 for (step =3D SUSPEND_FREEZE; step <=3D SUSPEND_NR_STEPS; step++)