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path: root/fs/cifs/cifsencrypt.c
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Diffstat (limited to 'fs/cifs/cifsencrypt.c')
-rw-r--r--fs/cifs/cifsencrypt.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 9daa256f69d4..51d53e4bdf6b 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -661,6 +661,11 @@ setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp)
unsigned char *tiblob = NULL; /* target info blob */
__le64 rsp_timestamp;
+ if (nls_cp == NULL) {
+ cifs_dbg(VFS, "%s called with nls_cp==NULL\n", __func__);
+ return -EINVAL;
+ }
+
if (ses->server->negflavor == CIFS_NEGFLAVOR_EXTENDED) {
if (!ses->domainName) {
if (ses->domainAuto) {