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authorSteve French <sfrench@us.ibm.com>2009-08-31 11:27:26 -0400
committerSteve French <sfrench@us.ibm.com>2009-08-31 11:27:26 -0400
commit2920ee2b47fc8e6aebe1d1956b2725f48fa93cc5 (patch)
treed6c65477946df8f136800e813da52df55e65919c /fs/cifs
parent7b2aa037e878c939676675969983284a02958ae3 (diff)
[CIFS] potential NULL dereference in parse_DFS_referrals()
memory allocation may fail, prevent a NULL dereference Pointed out by Roel Kluin CC: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/cifssmb.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 1866bc2927d4..5f0b80d39923 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3961,6 +3961,10 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
3961 if (is_unicode) { 3961 if (is_unicode) {
3962 __le16 *tmp = kmalloc(strlen(searchName)*2 + 2, 3962 __le16 *tmp = kmalloc(strlen(searchName)*2 + 2,
3963 GFP_KERNEL); 3963 GFP_KERNEL);
3964 if (tmp == NULL) {
3965 rc = -ENOMEM;
3966 goto parse_DFS_referrals_exit;
3967 }
3964 cifsConvertToUCS((__le16 *) tmp, searchName, 3968 cifsConvertToUCS((__le16 *) tmp, searchName,
3965 PATH_MAX, nls_codepage, remap); 3969 PATH_MAX, nls_codepage, remap);
3966 node->path_consumed = cifs_ucs2_bytes(tmp, 3970 node->path_consumed = cifs_ucs2_bytes(tmp,