From 657f9948ed593387d29d391832c18dc04326a5a9 Mon Sep 17 00:00:00 2001 From: paco Date: Wed, 13 Jun 2018 18:07:36 +0200 Subject: [PATCH] tools: return check (Coverity 1143220) Signed-off-by: F. Aragon --- tools/start-stop-daemon.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/start-stop-daemon.c b/tools/start-stop-daemon.c index 6bf55b7740..4758d20666 100644 --- a/tools/start-stop-daemon.c +++ b/tools/start-stop-daemon.c @@ -1030,8 +1030,10 @@ int main(int argc, char **argv) umask(022); /* set a default for dumb programs */ setpgid(0, 0); /* set the process group */ fd = open("/dev/null", O_RDWR); /* stdin */ - dup(fd); /* stdout */ - dup(fd); /* stderr */ + if (fd >= 0) { + dup(fd); /* stdout */ + dup(fd); /* stderr */ + } } if (nicelevel) { errno = 0; -- 2.39.5