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From: Tiwei Bie <tiwei.bie@intel.com>
To: maxime.coquelin@redhat.com,
zhihong.wang@intel.com,
dev@dpdk.org
Cc: stable@dpdk.org
Date: Mon, 14 Jan 2019 11:34:44 +0800
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References: <20190114033444.13026-1-tiwei.bie@intel.com>
Subject: [dpdk-dev] [PATCH 2/2] examples/vhost: fix realloc failure
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Fixes: ad0eef4d2203 ("examples/vhost: support multiple socket files")
Cc: stable@dpdk.org
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
---
examples/vhost/main.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index dc9ea1018..23fee445a 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -375,11 +375,19 @@ port_init(uint16_t port)
static int
us_vhost_parse_socket_path(const char *q_arg)
{
+ char *old;
+
/* parse number string */
if (strnlen(q_arg, PATH_MAX) == PATH_MAX)
return -1;
+ old = socket_files;
socket_files = realloc(socket_files, PATH_MAX * (nb_sockets + 1));
+ if (socket_files == NULL) {
+ free(old);
+ return -1;
+ }
+
snprintf(socket_files + nb_sockets * PATH_MAX, PATH_MAX, "%s", q_arg);
nb_sockets++;
--
2.17.1