From e40bc80bf50f7ae30e7995abb026208ad6bf8b79 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@openbossa.org>
Date: Wed, 16 Nov 2011 09:20:03 -0400
Subject: [PATCH] csr_bcsp: Fix missing errno attribution

do_command() is supposed to set errno if returning -1.
---
 tools/csr_bcsp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c
index df247a2cc..7bfaf5a90 100644
--- a/tools/csr_bcsp.c
+++ b/tools/csr_bcsp.c
@@ -219,6 +219,7 @@ static int do_command(uint16_t command, uint16_t seqnum, uint16_t varid, uint8_t
 
 			if (timeout++ > 5000) {
 				fprintf(stderr, "Operation timed out\n");
+				errno = ETIMEDOUT;
 				return -1;
 			}
 		}
-- 
2.47.3