From 25c39c96bba7a5181d8d994a15767f4b7a6f0691 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Mon, 15 Oct 2012 12:31:57 +1100
Subject: [PATCH] Ease the checking on allocation of padbuffer8 in the hope it
 works partially anyway on an apparently failed call.

---
 ocl.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ocl.c b/ocl.c
index 5b56e003..f68c8012 100644
--- a/ocl.c
+++ b/ocl.c
@@ -816,8 +816,13 @@ built:
 			bufsize = cgpu->max_alloc;
 		applog(LOG_DEBUG, "Creating scrypt buffer sized %d", bufsize);
 		clState->padbufsize = bufsize;
+
+		/* This buffer is weird and might work to some degree even if
+		 * the create buffer call has apparently failed, so check if we
+		 * get anything back before we call it a failure. */
+		clState->padbuffer8 = NULL;
 		clState->padbuffer8 = clCreateBuffer(clState->context, CL_MEM_READ_WRITE, bufsize, NULL, &status);
-		if (status != CL_SUCCESS) {
+		if (status != CL_SUCCESS && !clState->padbuffer8) {
 			applog(LOG_ERR, "Error %d: clCreateBuffer (padbuffer8), decrease CT or increase LG", status);
 			return NULL;
 		}