amdgpu: fix off by one in handle_table_insert

Stupid me, max_key must always be larger than key.

Signed-off-by: Christian König <christian.koenig@amd.com>
Bugzilla: https://bugs.freedesktop.org/107552
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
diff --git a/amdgpu/handle_table.c b/amdgpu/handle_table.c
index 15cd476..4fdd29d 100644
--- a/amdgpu/handle_table.c
+++ b/amdgpu/handle_table.c
@@ -33,7 +33,7 @@
 {
 	if (key >= table->max_key) {
 		uint32_t alignment = sysconf(_SC_PAGESIZE) / sizeof(void*);
-		uint32_t max_key = ALIGN(key, alignment);
+		uint32_t max_key = ALIGN(key + 1, alignment);
 		void **values;
 
 		values = realloc(table->values, max_key * sizeof(void *));