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authorYu Watanabe <watanabe.yu+github@gmail.com>2022-09-10 01:56:19 +0900
committerYu Watanabe <watanabe.yu+github@gmail.com>2022-09-10 07:16:43 +0900
commit32703bd14cc6c11354795e1c600b1618944722ae (patch)
tree0940d60e9d83b6158bca711949096a5fd4743e4b /src/udev/udev-builtin-btrfs.c
parent9a18458834ed6fe560879b2ddd6909d26b755fa3 (diff)
downloadsystemd-32703bd14cc6c11354795e1c600b1618944722ae.tar.gz
udev: always open with O_NOCTTY
All files or device nodes opened here should not be console tty. Let's open it the flags for safety.
Diffstat (limited to 'src/udev/udev-builtin-btrfs.c')
-rw-r--r--src/udev/udev-builtin-btrfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/udev/udev-builtin-btrfs.c b/src/udev/udev-builtin-btrfs.c
index f9d4f1dd4e..8cd627807f 100644
--- a/src/udev/udev-builtin-btrfs.c
+++ b/src/udev/udev-builtin-btrfs.c
@@ -21,7 +21,7 @@ static int builtin_btrfs(sd_device *dev, sd_netlink **rtnl, int argc, char *argv
if (argc != 3 || !streq(argv[1], "ready"))
return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), "Invalid arguments");
- fd = open("/dev/btrfs-control", O_RDWR|O_CLOEXEC);
+ fd = open("/dev/btrfs-control", O_RDWR|O_CLOEXEC|O_NOCTTY);
if (fd < 0) {
if (ERRNO_IS_DEVICE_ABSENT(errno)) {
/* Driver not installed? Then we aren't ready. This is useful in initrds that lack