From 3698c4914d5ea4c8d8fc2dcf29a0c27c1e8bdcab Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Sat, 17 Apr 2021 17:46:37 +0200 Subject: [PATCH] commands: don't needlessly allocate Fixes: #3796 Signed-off-by: Christian Brauner --- src/lxc/commands.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/lxc/commands.c b/src/lxc/commands.c index 08f4dea86..6e841b01a 100644 --- a/src/lxc/commands.c +++ b/src/lxc/commands.c @@ -286,7 +286,8 @@ static ssize_t lxc_cmd_rsp_recv(int sock, struct lxc_cmd_rr *cmd) } return syserror_set(-ENOMEM, "Failed to receive response for command \"%s\"", cur_cmdstr); case LXC_CMD_CONSOLE_LOG: /* data */ - __data = zalloc(rsp->datalen + 1); + if (rsp->datalen > 0) + __data = zalloc(rsp->datalen + 1); rsp->data = __data; break; default: /* catch any additional command */ -- 2.47.2