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loop-util: fix leak of file descriptor on failure

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This commit is contained in:
Yu Watanabe
2022-09-07 05:36:26 +09:00
parent 844768c78b
commit 10719a6ff8
1 changed files with 4 additions and 2 deletions
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6
src/shared/loop-util.c
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@@ -118,17 +118,19 @@ static int device_has_block_children(sd_device *d) {
}
static int open_lock_fd(int primary_fd, int operation) {
int lock_fd;
_cleanup_close_ int lock_fd = -1;
assert(primary_fd >= 0);
assert(IN_SET(operation & ~LOCK_NB, LOCK_SH, LOCK_EX));
lock_fd = fd_reopen(primary_fd, O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
if (lock_fd < 0)
return lock_fd;
if (flock(lock_fd, operation) < 0)
return -errno;
return lock_fd;
return TAKE_FD(lock_fd);
}
static int loop_configure(