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netdb: Add return check in rexec_af

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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
This commit is contained in:
anjiahao 2022-09-14 16:50:38 +08:00 committed by Alan Carvalho de Assis
parent f325ed7180
commit 287467b81b
1 changed files with 5 additions and 1 deletions
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6
libs/libc/netdb/lib_rexec.c
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@ -110,7 +110,11 @@ int rexec_af(FAR char **ahost, int inport, FAR const char *user,
/* ignore second connection(fd2p always is NULL) */
write(sock, "", 1);
ret = write(sock, "", 1);
if (ret < 0)
{
goto conn_out;
}
/* Send username */