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Commit 5651ced3 authored by Igor Mammedov's avatar Igor Mammedov Committed by Steve French
Browse files

Fix possible access to undefined memory region. 



Signed-off-by: default avatarIgor Mammedov <niallain@gmail.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent b9a3260f

fs/cifs/dns_resolve.c

+5 −4
Original line number Diff line number Diff line
@@ -134,10 +134,6 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) 
	rkey = request_key(&key_type_dns_resolver, name, "");

	if (!IS_ERR(rkey)) {

		data = rkey->payload.data;

		cFYI(1, ("%s: resolved: %s to %s", __func__,

					rkey->description,

					*ip_addr

				));

	} else {

		cERROR(1, ("%s: unable to resolve: %s", __func__, name));

		goto out;
@@ -150,6 +146,11 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) 
		if (*ip_addr) {

			memcpy(*ip_addr, data, len);

			(*ip_addr)[len] = '\0';

			if (!IS_ERR(rkey))

				cFYI(1, ("%s: resolved: %s to %s", __func__,

							name,

							*ip_addr

					));

			rc = 0;

		} else {

			rc = -ENOMEM;