Fix SD card hotswap bug when the SCSI host is constantly polling

diff --git a/src/firmware/main.c b/src/firmware/main.c
index fea166ccdfb899e30d0018552240d5af19147952..ed37b5cc61b151740a96e3310cfb0536bda00e71 100755 (executable)
--- a/src/firmware/main.c
+++ b/src/firmware/main.c
@@ -161,7 +161,7 @@ void mainLoop()
 #endif\r
                }\r
        }\r
-       else if (scsiDev.phase >= 0)\r
+       else if ((scsiDev.phase >= 0) && (blockDev.state & DISK_PRESENT))\r
        {\r
                // don't waste time scanning SD cards while we're doing disk IO\r
                lastSDPoll = s2s_getTime_ms();\r