From 87540ecf2ac1df871c0754caa9af3f01a9ddacf2 Mon Sep 17 00:00:00 2001
From: Duncan Laurie <duncan@iceblink.org>
Date: Mon, 27 Jun 2005 22:23:34 +0000
Subject: [PATCH] don't spin while waiting for 0 bytes in case BMC lies about
 how much data is in a FRU

---
 ipmitool/lib/ipmi_fru.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ipmitool/lib/ipmi_fru.c b/ipmitool/lib/ipmi_fru.c
index 0596329..b7734fb 100644
--- a/ipmitool/lib/ipmi_fru.c
+++ b/ipmitool/lib/ipmi_fru.c
@@ -232,6 +232,13 @@ read_fru_area(struct ipmi_intf * intf, struct fru_info *fru, uint8_t id,
 		tmp = fru->access ? rsp->data[0] << 1 : rsp->data[0];
 		memcpy((frubuf + off), rsp->data + 1, tmp);
 		off += tmp;
+
+		/* sometimes the size returned in the Info command
+		 * is too large.  return 0 so higher level function
+		 * still attempts to parse what was returned */
+		if (tmp == 0 && off < finish)
+			return 0;
+
 	} while (off < finish);
 
 	if (off < finish)