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linux-sg2042
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Fix possible access to undefined memory region. 

Signed-off-by: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Igor Mammedov 2008-05-20 13:02:01 +04:00 committed by Steve French
parent b9a3260f25
commit 5651ced3ab
1 changed files with 5 additions and 4 deletions
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9
fs/cifs/dns_resolve.c
View File

@ -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 @@ skip_upcall:
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;