[Buildroot] [git commit branch/2019.11.x] package/eudev: Fix monitor starting for kernels w/o CONFIG_SHMEM
From: Peter Korsgaard <peter@korsgaard.com>
Date: 2020-03-13 15:03:18
Subsystem:
the rest · Maintainer:
Linus Torvalds
commit: https://git.buildroot.net/buildroot/commit/?id=7e130e6ce960a666aab80c4c316f36e4c42359e6 branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2019.11.x When the kernel has CONFIG_SHMEM disabled, /dev is a ramfs (instead of a tmpfs) and the name_to_handle_at system call is not supported. This causes eudev's monitor application to exit on startup. Upstream eudev has added this fix which is not yet part of a release. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> (cherry picked from commit 1b81eb7d04f161cdee7cd59d4443e84401ac88ef) Signed-off-by: Peter Korsgaard <peter@korsgaard.com> --- ...-libudev-monitor.c-do-not-check-if-dev-is.patch | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/package/eudev/0001-src-libudev-libudev-monitor.c-do-not-check-if-dev-is.patch b/package/eudev/0001-src-libudev-libudev-monitor.c-do-not-check-if-dev-is.patch
new file mode 100644
index 0000000000..3027ad7f17
--- /dev/null
+++ b/package/eudev/0001-src-libudev-libudev-monitor.c-do-not-check-if-dev-is.patch@@ -0,0 +1,33 @@ +From 799591c57368bbe47667f5b696050247a766b117 Mon Sep 17 00:00:00 2001 +From: "Anthony G. Basile" <blueness@gentoo.org> +Date: Mon, 6 Jan 2020 11:14:47 -0500 +Subject: [PATCH] src/libudev/libudev-monitor.c: do not check if /dev is tmpfs + +This check fails for buildroot systems where /dev is not mounted +as a tmpfs filesystem. Dropping this check should be safe even +on regular systems. + +This solves issue #172. + +Signed-off-by: Anthony G. Basile <blueness@gentoo.org> +Signed-off-by: Joel Stanley <joel@jms.id.au> +--- + src/libudev/libudev-monitor.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c +index 614149c6243c..060ba733f33b 100644 +--- a/src/libudev/libudev-monitor.c ++++ b/src/libudev/libudev-monitor.c +@@ -186,7 +186,7 @@ struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const c + * We do not set a netlink multicast group here, so the socket + * will not receive any messages. + */ +- if (access(UDEV_ROOT_RUN "/udev/control", F_OK) < 0 || !udev_has_devtmpfs(udev)) { ++ if (access(UDEV_ROOT_RUN "/udev/control", F_OK) < 0) { + log_debug("the udev service seems not to be active, disable the monitor"); + group = UDEV_MONITOR_NONE; + } else +-- +2.25.0 +