From: Chengwen Feng <fengchengwen@huawei.com>
Date: Wed, 21 Apr 2021 01:37:49 +0000 (+0800)
Subject: net/virtio: fix getline memory leakage
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9f528374bffb5868ec6bf896f57919a709b31911;p=dpdk.git

net/virtio: fix getline memory leakage

This patch fixes getline memory leakage when parsing dynamic major num.

Fixes: 7d62bf6f54ba ("net/virtio: introduce vhost-vDPA backend type")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---

diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index 79bd31ed82..e85906e9eb 100644
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -360,7 +360,7 @@ vdpa_dynamic_major_num(void)
 {
 	FILE *fp;
 	char *line = NULL;
-	size_t size;
+	size_t size = 0;
 	char name[11];
 	bool found = false;
 	uint32_t num;
@@ -380,6 +380,7 @@ vdpa_dynamic_major_num(void)
 			break;
 		}
 	}
+	free(line);
 	fclose(fp);
 	return found ? num : UNNAMED_MAJOR;
 }