Core/Misc: Fix static analysis issues

Fix some static analysis issues reported by Coverity

(cherry picked from commit c8999449816d4fd4f72c7cdb3b1515e8e244ba5f)

Conflicts:
	src/server/game/Entities/Player/Player.cpp
	src/server/scripts/Northrend/IcecrownCitadel/boss_professor_putricide.cpp

2 files changed, 2 insertions, 2 deletions

diff --git a/src/server/game/Groups/Group.cpp b/src/server/game/Groups/Group.cpp
index d9124551c63..5664cbb6e4b 100644
--- a/src/server/game/Groups/Group.cpp
+++ b/src/server/game/Groups/Group.cpp
@@ -1808,7 +1808,7 @@ GroupJoinBattlegroundResult Group::CanJoinBattlegroundQueue(Battleground const*
         return ERR_BATTLEGROUND_NONE;                        // ERR_GROUP_JOIN_BATTLEGROUND_TOO_MANY handled on client side
 
     // get a player as reference, to compare other players' stats to (arena team id, queue id based on level, etc.)
-    Player* reference = GetFirstMember()->GetSource();
+    Player* reference = ASSERT_NOTNULL(GetFirstMember())->GetSource();
     // no reference found, can't join this way
     if (!reference)
         return ERR_BATTLEGROUND_JOIN_FAILED;
diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_professor_putricide.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_professor_putricide.cpp
index 4c6fd0f2fcc..63082808e03 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_professor_putricide.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_professor_putricide.cpp
@@ -1259,7 +1259,7 @@ class spell_putricide_mutated_plague : public SpellScriptLoader
                     return;
 
                 uint32 triggerSpell = GetSpellInfo()->Effects[aurEff->GetEffIndex()].TriggerSpell;
-                SpellInfo const* spell = sSpellMgr->GetSpellInfo(triggerSpell);
+                SpellInfo const* spell = sSpellMgr->EnsureSpellInfo(triggerSpell);
                 spell = sSpellMgr->GetSpellForDifficultyFromSpell(spell, caster);
 
                 int32 damage = spell->Effects[EFFECT_0].CalcValue(caster);