Minimal supplement to upstream Kernel Self Protection Project changes. Features already provided by SELinux + Yama and archs other than multiarch arm64 / x86_64 aren't in scope. Only tags have stable history. Shared IRC channel with KSPP: irc.libera.chat #linux-hardening
cac72b990d
So it looks like that suspend/resume has actually always been broken on hid-rmi. The fact it worked was a rather silly coincidence that was relying on the HID device to already be opened upon resume. This means that so long as anything was reading the /dev/input/eventX node for for an RMI device, it would suspend and resume correctly. As well, if nothing happened to be keeping the HID device away it would shut off, then the RMI driver would get confused on resume when it stopped responding and explode. So, call hid_hw_open() in rmi_post_resume() so we make sure that the device is alive before we try talking to it. This fixes RMI device suspend/resume over HID. Link: https://bugzilla.kernel.org/show_bug.cgi?id=196851 [jkosina@suse.cz: removed useless hunk that was zero-initializing 'ret'] Signed-off-by: Lyude <lyude@redhat.com> Cc: Andrew Duggan <aduggan@synaptics.com> Cc: stable@vger.kernel.org Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.