From: David Tardon <dtardon@redhat.com>
Date: Fri, 12 Oct 2018 12:48:41 +0000 (+0200)
Subject: do not try to allocate 0 bytes
X-Git-Tag: v240~563^2~5
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8192548ef792c7aa3202a27e060a2c4994f399f3;p=thirdparty%2Fsystemd.git

do not try to allocate 0 bytes
---

diff --git a/src/shared/fdset.c b/src/shared/fdset.c
index 8c852f11372..5d277328c72 100644
--- a/src/shared/fdset.c
+++ b/src/shared/fdset.c
@@ -211,13 +211,16 @@ fail:
 int fdset_close_others(FDSet *fds) {
         void *e;
         Iterator i;
-        int *a;
+        int *a = NULL;
         size_t j = 0, m;
 
         m = fdset_size(fds);
-        a = newa(int, m);
-        SET_FOREACH(e, MAKE_SET(fds), i)
-                a[j++] = PTR_TO_FD(e);
+
+        if (m > 0) {
+                a = newa(int, m);
+                SET_FOREACH(e, MAKE_SET(fds), i)
+                        a[j++] = PTR_TO_FD(e);
+        }
 
         assert(j == m);