From: Michael McMaster <michael@codesrc.com>
Date: Sat, 29 Apr 2017 04:40:25 +0000 (+1000)
Subject: Fix crash when SD card is smaller than starting sector of scsi disk
X-Git-Tag: v6.1.1~3
X-Git-Url: http://git.codesrc.com/gitweb.cgi?a=commitdiff_plain;h=bbf84d6d64f35ffe4e2da97c621ed0132684d08c;p=SCSI2SD-V6.git

Fix crash when SD card is smaller than starting sector of scsi disk
---

diff --git a/src/firmware/geometry.c b/src/firmware/geometry.c
index 52e87b9e..44a2e82b 100755
--- a/src/firmware/geometry.c
+++ b/src/firmware/geometry.c
@@ -30,10 +30,16 @@ uint32_t getScsiCapacity(
 	uint32_t capacity =
 		(sdDev.capacity - sdSectorStart - S2S_CFG_SIZE) /
 			SDSectorsPerSCSISector(bytesPerSector);
+
+
 	if (sdDev.capacity == 0)
 	{
 		capacity = 0;
 	}
+	else if (sdSectorStart >= (sdDev.capacity - S2S_CFG_SIZE))
+	{
+		capacity = 0;
+	}
 	else if (scsiSectors && (capacity > scsiSectors))
 	{
 		capacity = scsiSectors;