| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.18 128/134] ARM: s3c24xx: Fix boolean expressions in osiris_dvs_notify | Date | Fri, 22 Mar 2019 12:15:41 +0100 |
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3.18-stable review patch. If anyone has any objections, please let me know.
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From: Gustavo A. R. Silva <gustavo@embeddedor.com>
commit e2477233145f2156434afb799583bccd878f3e9f upstream.
Fix boolean expressions by using logical AND operator '&&' instead of bitwise operator '&'.
This issue was detected with the help of Coccinelle.
Fixes: 4fa084af28ca ("ARM: OSIRIS: DVS (Dynamic Voltage Scaling) supoort.") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> [krzk: Fix -Wparentheses warning] Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/arm/mach-s3c24xx/mach-osiris-dvs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c +++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c @@ -70,16 +70,16 @@ static int osiris_dvs_notify(struct noti switch (val) { case CPUFREQ_PRECHANGE: - if (old_dvs & !new_dvs || - cur_dvs & !new_dvs) { + if ((old_dvs && !new_dvs) || + (cur_dvs && !new_dvs)) { pr_debug("%s: exiting dvs\n", __func__); cur_dvs = false; gpio_set_value(OSIRIS_GPIO_DVS, 1); } break; case CPUFREQ_POSTCHANGE: - if (!old_dvs & new_dvs || - !cur_dvs & new_dvs) { + if ((!old_dvs && new_dvs) || + (!cur_dvs && new_dvs)) { pr_debug("entering dvs\n"); cur_dvs = true; gpio_set_value(OSIRIS_GPIO_DVS, 0);
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