shaba/systemd-stable
1
1
Fork 0
mirror of https://github.com/systemd/systemd-stable.git synced 2024-12-23 17:34:00 +03:00
Code

initctl: catch write error, use _cleanup_

Browse Source 
!= operator always returns something nonnegative, so the
error condition was not caught.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2013-03-13 19:40:01 -04:00
parent 7199aa96ce
commit 427b47c4ab
1 changed files with 8 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/systemctl/systemctl.c
View File

@ -5041,21 +5041,22 @@ finish:
}
static int talk_initctl(void) {
struct init_request request;
int r, fd;
struct init_request request = {0};
int r;
int _cleanup_close_ fd = -1;
char rl;
if (!(rl = action_to_runlevel()))
rl = action_to_runlevel();
if (!rl)
return 0;
zero(request);
request.magic = INIT_MAGIC;
request.sleeptime = 0;
request.cmd = INIT_CMD_RUNLVL;
request.runlevel = rl;
if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY);
if (fd < 0) {
if (errno == ENOENT)
return 0;
@ -5065,9 +5066,7 @@ static int talk_initctl(void) {
errno = 0;
r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
close_nointr_nofail(fd);
if (r < 0) {
if (r) {
log_error("Failed to write to "INIT_FIFO": %m");
return errno ? -errno : -EIO;
}