From 6e7fe36a8e82eb40a5cabdb8bf6a5becf913d041 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 18 Apr 2017 16:15:48 +0200 Subject: [PATCH] 4.9-stable patches added patches: char-lack-of-bool-string-made-config_devport-always-on.patch --- ...string-made-config_devport-always-on.patch | 39 +++++++++++++++++++ queue-4.9/series | 1 + 2 files changed, 40 insertions(+) create mode 100644 queue-4.9/char-lack-of-bool-string-made-config_devport-always-on.patch diff --git a/queue-4.9/char-lack-of-bool-string-made-config_devport-always-on.patch b/queue-4.9/char-lack-of-bool-string-made-config_devport-always-on.patch new file mode 100644 index 00000000000..e9c6cbc41ca --- /dev/null +++ b/queue-4.9/char-lack-of-bool-string-made-config_devport-always-on.patch @@ -0,0 +1,39 @@ +From f2cfa58b136e4b06a9b9db7af5ef62fbb5992f62 Mon Sep 17 00:00:00 2001 +From: Max Bires +Date: Tue, 3 Jan 2017 08:18:07 -0800 +Subject: char: lack of bool string made CONFIG_DEVPORT always on + +From: Max Bires + +commit f2cfa58b136e4b06a9b9db7af5ef62fbb5992f62 upstream. + +Without a bool string present, using "# CONFIG_DEVPORT is not set" in +defconfig files would not actually unset devport. This esnured that +/dev/port was always on, but there are reasons a user may wish to +disable it (smaller kernel, attack surface reduction) if it's not being +used. Adding a message here in order to make this user visible. + +Signed-off-by: Max Bires +Acked-by: Arnd Bergmann +Signed-off-by: Greg Kroah-Hartman + +--- + drivers/char/Kconfig | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/char/Kconfig ++++ b/drivers/char/Kconfig +@@ -571,9 +571,12 @@ config TELCLOCK + controlling the behavior of this hardware. + + config DEVPORT +- bool ++ bool "/dev/port character device" + depends on ISA || PCI + default y ++ help ++ Say Y here if you want to support the /dev/port device. The /dev/port ++ device is similar to /dev/mem, but for I/O ports. + + source "drivers/s390/char/Kconfig" + diff --git a/queue-4.9/series b/queue-4.9/series index cc5e28bcefb..5130f80efe3 100644 --- a/queue-4.9/series +++ b/queue-4.9/series @@ -43,3 +43,4 @@ pwm-rockchip-state-of-pwm-clock-should-synchronize-with-pwm-enabled-state.patch cpufreq-bring-cpus-up-even-if-cpufreq_online-failed.patch irqchip-irq-imx-gpcv2-fix-spinlock-initialization.patch ftrace-fix-removing-of-second-function-probe.patch +char-lack-of-bool-string-made-config_devport-always-on.patch -- 2.47.3