fix crashing on undefined packages (#54521)

2 files changed, 5 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index c917c6a..da324bb 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,10 @@ Version 4.0 - ? October 2010, by Per Øyvind Karlsen
 - refactorize code
 - rewrite for native rpm5 API (ditching rpm.org compatibility)
 
+Version 3.37 - 20 October 2010
+
+- fix crashing on undefined packages (#54521)
+
 Version 3.36 - 23 July 2010
 
 - Fix wrong deferencement on HASH (warning triggered by perl 5.12)
diff --git a/URPM.pm b/URPM.pm
index 6cefd3b..5901329 100644
--- a/URPM.pm
+++ b/URPM.pm
@@ -30,7 +30,7 @@ sub set_nofatal { $_[0]{nofatal} = $_[1] }
 
 sub packages_providing {
     my ($urpm, $name) = @_;
-    map { $urpm->{depslist}[$_] } keys %{$urpm->{provides}{$name} || {}};
+    grep { $_ } map { $urpm->{depslist}[$_] } keys %{$urpm->{provides}{$name} || {}};
 }
 
 sub packages_obsoleting {