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Wysocki" , Viresh Kumar , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] cpufreq: armada-8k: Fix off by one in armada_8k_cpufreq_free_table() Message-ID: <7ae149bf-5e4d-40df-b1c2-31d5ef418f05@sabinyo.mountain> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The freq_tables[] array has num_possible_cpus() elements so, to avoid an out of bounds access, this loop should be capped at "< nb_cpus" instead of "<=3D nb_cpus". The freq_tables[] array is allocated in armada_8k_cpufreq_init(). Cc: stable@vger.kernel.org Fixes: f525a670533d ("cpufreq: ap806: add cpufreq driver for Armada 8K") Signed-off-by: Dan Carpenter --- drivers/cpufreq/armada-8k-cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/armada-8k-cpufreq.c b/drivers/cpufreq/armada-8= k-cpufreq.c index 006f4c554dd7..d96c1718f7f8 100644 --- a/drivers/cpufreq/armada-8k-cpufreq.c +++ b/drivers/cpufreq/armada-8k-cpufreq.c @@ -103,7 +103,7 @@ static void armada_8k_cpufreq_free_table(struct freq_ta= ble *freq_tables) { int opps_index, nb_cpus =3D num_possible_cpus(); =20 - for (opps_index =3D 0 ; opps_index <=3D nb_cpus; opps_index++) { + for (opps_index =3D 0 ; opps_index < nb_cpus; opps_index++) { int i; =20 /* If cpu_dev is NULL then we reached the end of the array */ --=20 2.47.2