From a7f4a2db7f477e1ba6ec37c3669e39e16b710613 Mon Sep 17 00:00:00 2001
From: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Date: Fri, 4 Nov 2022 09:53:38 +0100
Subject: [PATCH] lib/ftl: Validate l2p_dram_limit parameter

Disallow 0 value as parameter - avoids a segmentation fault.

Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
Signed-off-by: Mateusz Brenk <mateusz.brenk@intel.com>
Change-Id: I492256ff621da3be11239d2fd705d8cc54bfe7b7
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15256
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
---
 lib/ftl/utils/ftl_conf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ftl/utils/ftl_conf.c b/lib/ftl/utils/ftl_conf.c
index 1d13963da..fc619479c 100644
--- a/lib/ftl/utils/ftl_conf.c
+++ b/lib/ftl/utils/ftl_conf.c
@@ -162,5 +162,9 @@ ftl_conf_is_valid(const struct spdk_ftl_conf *conf)
 		return false;
 	}
 
+	if (conf->l2p_dram_limit == 0) {
+		return false;
+	}
+
 	return true;
 }