tree-wide: use -EBADF for fd initialization

-1 was used everywhere, but -EBADF or -EBADFD started being used in various
places. Let's make things consistent in the new style.

Note that there are two candidates:
EBADF 9 Bad file descriptor
EBADFD 77 File descriptor in bad state

Since we're initializating the fd, we're just assigning a value that means
"no fd yet", so it's just a bad file descriptor, and the first errno fits
better. If instead we had a valid file descriptor that became invalid because
of some operation or state change, the other errno would fit better.

In some places, initialization is dropped if unnecessary.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fuzz/fuzz-catalog.c b/src/fuzz/fuzz-catalog.c
index f013455730..f3029f49d0 100644
--- a/src/fuzz/fuzz-catalog.c
+++ b/src/fuzz/fuzz-catalog.c
@@ -8,7 +8,7 @@
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         _cleanup_(unlink_tempfilep) char name[] = "/tmp/fuzz-catalog.XXXXXX";
-        _cleanup_close_ int fd = -1;
+        _cleanup_close_ int fd = -EBADF;
         _cleanup_ordered_hashmap_free_free_free_ OrderedHashmap *h = NULL;
 
         if (!getenv("SYSTEMD_LOG_LEVEL"))