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authorLennart Poettering <lennart@poettering.net>2015-10-09 17:17:28 +0200
committerLennart Poettering <lennart@poettering.net>2015-10-09 17:20:32 +0200
commitc463a6f1c4d375929a99ac258292ce5e1f64a835 (patch)
tree1678ed08b9a8f05ff33cc15b6fe0b22038678ac2 /src/libsystemd/sd-daemon
parentb492ce8a22d4527c1372b2d3fbd580627d70c917 (diff)
sd-daemon: simply code simplification
No change in behaviour, just make the code more obvious.
Diffstat (limited to 'src/libsystemd/sd-daemon')
-rw-r--r--src/libsystemd/sd-daemon/sd-daemon.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/libsystemd/sd-daemon/sd-daemon.c b/src/libsystemd/sd-daemon/sd-daemon.c
index 437518119b..582fb53529 100644
--- a/src/libsystemd/sd-daemon/sd-daemon.c
+++ b/src/libsystemd/sd-daemon/sd-daemon.c
@@ -450,8 +450,10 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
if (n_fds > 0 || have_pid) {
/* CMSG_SPACE(0) may return value different then zero, which results in miscalculated controllen. */
- msghdr.msg_controllen = (n_fds ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
- CMSG_SPACE(sizeof(struct ucred)) * have_pid;
+ msghdr.msg_controllen =
+ (n_fds > 0 ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
+ (have_pid ? CMSG_SPACE(sizeof(struct ucred)) : 0);
+
msghdr.msg_control = alloca(msghdr.msg_controllen);
cmsg = CMSG_FIRSTHDR(&msghdr);