glnx-local-alloc: Make check for invalid FDs more general

In general, all FDs < 0 are invalid (and should not have close() called
on them), so check that. This could have caused problems if a function
returned an error value < -1.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/glnx-local-alloc.h b/glnx-local-alloc.h
index f628b61..8c1914c 100644
--- a/glnx-local-alloc.h
+++ b/glnx-local-alloc.h
@@ -199,9 +199,9 @@ glnx_cleanup_close_fdp (int *fdp)
   int fd, errsv;
 
   g_assert (fdp);
-  
+
   fd = *fdp;
-  if (fd != -1)
+  if (fd >= 0)
     {
       errsv = errno;
       (void) close (fd);