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-rw-r--r--src/lib/idmap/sss_idmap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/lib/idmap/sss_idmap.c b/src/lib/idmap/sss_idmap.c
index d7254e3e..3615e9d5 100644
--- a/src/lib/idmap/sss_idmap.c
+++ b/src/lib/idmap/sss_idmap.c
@@ -298,11 +298,15 @@ enum idmap_error_code sss_idmap_sid_to_unix(struct sss_idmap_ctx *ctx,
long long rid;
char *endptr;
+ if (sid == NULL || id == NULL) {
+ return IDMAP_ERROR;
+ }
+
CHECK_IDMAP_CTX(ctx, IDMAP_CONTEXT_INVALID);
idmap_domain_info = ctx->idmap_domain_info;
- if (sid && sss_idmap_sid_is_builtin(sid)) {
+ if (sss_idmap_sid_is_builtin(sid)) {
return IDMAP_BUILTIN_SID;
}