Fixed bug FirebirdSQL#8315 : Crash at database restore due to failed …

…system call
Zhdanov0 · Nov 12, 2024 · 01c64fe · 01c64fe
1 parent df885d5
commit 01c64fe
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/burp/BurpTasks.h b/src/burp/BurpTasks.h
@@ -545,7 +545,13 @@ class IOBuffer
 			if (!m_mutex.tryEnter(FB_FUNCTION))
 				return;
 
+			fb_assert(m_locked >= 0);
+			const bool lockedByMe = (m_locked != 0);
+
 			m_mutex.leave();
+
+			if (!lockedByMe)
+				return;
 		}
 
 		fb_assert(m_locked > 0);