X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/db09cb3adbe715b058a64357184e4963a8b6d78e..d19929cbe8d681b60496ca6d9d9cbd806822e163:/armsrc/fpgaloader.c

diff --git a/armsrc/fpgaloader.c b/armsrc/fpgaloader.c
index c199b9a8..a719f5ed 100644
--- a/armsrc/fpgaloader.c
+++ b/armsrc/fpgaloader.c
@@ -136,18 +136,20 @@ void FpgaSetupSsc(void)
 // ourselves, not to another buffer). The stuff to manipulate those buffers
 // is in apps.h, because it should be inlined, for speed.
 //-----------------------------------------------------------------------------
-void FpgaSetupSscDma(uint8_t *buf, int len)
+bool FpgaSetupSscDma(uint8_t *buf, int len)
 {
+	if (buf == NULL) {
+        return false;
+    }
+
 	AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;
-	
 	AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf;
 	AT91C_BASE_PDC_SSC->PDC_RCR = len;
 	AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf;
 	AT91C_BASE_PDC_SSC->PDC_RNCR = len;
-	
-	if (buf != NULL) {
-		AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;
-	}
+	AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;
+    
+    return true;
 }
 
 static void DownloadFPGA_byte(unsigned char w)