[linux-lvm] [PATCH] generator: fix file descriptor leak

[Topi Miettinen <toiwoton@gmail.com>]

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Set close-on-exec flag for kmsg file descriptor, so that _error() can
be used in case of execve() failure.

Signed-off-by: Topi Miettinen <toiwoton@gmail.com>
---
  scripts/lvm2_activation_generator_systemd_red_hat.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/lvm2_activation_generator_systemd_red_hat.c 
b/scripts/lvm2_activation_generator_systemd_red_hat.c
index 0f4ac8da2..e137aaf89 100644
--- a/scripts/lvm2_activation_generator_systemd_red_hat.c
+++ b/scripts/lvm2_activation_generator_systemd_red_hat.c
@@ -23,7 +23,7 @@ static int _kmsg_fd;
  static void _log_init(void)
  {
         // failing is harmless
-       _kmsg_fd = open(KMSG_DEV_PATH, O_WRONLY | O_NOCTTY);
+       _kmsg_fd = open(KMSG_DEV_PATH, O_WRONLY | O_NOCTTY | O_CLOEXEC);
  }

  static void _log_exit(void)
-- 
2.24.0

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