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selftests: net: avoid memory leak

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The buffer be used without free,fix it to avoid memory leak.

Signed-off-by: Zongmin Zhou <zhouzongmin@kylinos.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250901054557.32811-1-min_halo@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Zongmin Zhou 2025-09-01 13:45:57 +08:00 committed by Jakub Kicinski
parent 3586018d5c
commit b0bc645122
1 changed files with 7 additions and 3 deletions
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10
tools/testing/selftests/net/cmsg_sender.c
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@ -491,7 +491,8 @@ int main(int argc, char *argv[])
if (err) {
fprintf(stderr, "Can't resolve address [%s]:%s\n",
opt.host, opt.service);
return ERN_SOCK_CREATE;
err = ERN_SOCK_CREATE;
goto err_free_buff;
}
if (ai->ai_family == AF_INET6 && opt.sock.proto == IPPROTO_ICMP)
@ -500,8 +501,8 @@ int main(int argc, char *argv[])
fd = socket(ai->ai_family, opt.sock.type, opt.sock.proto);
if (fd < 0) {
fprintf(stderr, "Can't open socket: %s\n", strerror(errno));
freeaddrinfo(ai);
return ERN_RESOLVE;
err = ERN_RESOLVE;
goto err_free_info;
}
if (opt.sock.proto == IPPROTO_ICMP) {
@ -574,6 +575,9 @@ int main(int argc, char *argv[])
err_out:
close(fd);
err_free_info:
freeaddrinfo(ai);
err_free_buff:
free(buf);
return err;
}