libsmb: Allow passing in NULL to smb2_create_blob_find()

Will simplify callers a bit, and it does not change semantics
significantly. Zero create blobs won't find anything anyway.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/libcli/smb/smb2_create_blob.c b/libcli/smb/smb2_create_blob.c
index bb994f28e2f881e4961cd339fe093bb7ced148fc..57c7a9d1150c4c469863a0166fa66a2afeffde4b 100644 (file)
--- a/libcli/smb/smb2_create_blob.c
+++ b/libcli/smb/smb2_create_blob.c
@@ -213,6 +213,10 @@ struct smb2_create_blob *smb2_create_blob_find(const struct smb2_create_blobs *b
 {
        uint32_t i;
 
+       if (b == NULL) {
+               return NULL;
+       }
+
        for (i=0; i < b->num_blobs; i++) {
                if (strcmp(b->blobs[i].tag, tag) == 0) {
                        return &b->blobs[i];