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-rw-r--r--proxy/src/client/gpm_verify_mic.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/proxy/src/client/gpm_verify_mic.c b/proxy/src/client/gpm_verify_mic.c
index 8b438ac..c42be91 100644
--- a/proxy/src/client/gpm_verify_mic.c
+++ b/proxy/src/client/gpm_verify_mic.c
@@ -44,6 +44,10 @@ OM_uint32 gpm_verify_mic(OM_uint32 *minor_status,
memset(&uarg, 0, sizeof(union gp_rpc_arg));
memset(&ures, 0, sizeof(union gp_rpc_res));
+ if (!context_handle) {
+ return GSS_S_CALL_INACCESSIBLE_READ;
+ }
+
/* format request */
/* NOTE: the final free will also release the old context */
arg->context_handle = *context_handle;