image_read returns size_t, so 0 when error or end of file

This commit is contained in:
Pali Rohár committed 2012-08-11 21:23:53 +02:00
1 parent 17c6aefdcb
commit 26099e9536
3 files changed
+6 -5

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+3 -3
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@@ -128,7 +128,7 @@ struct xloader_msg xloader_msg_create(uint32_t type, struct image * image) {
if ( need > sizeof(buffer) )
need = sizeof(buffer);
ret = image_read(image, buffer, need);
if ( ret < 0 )
if ( ret == 0 )
break;
msg.crc1 = crc32(buffer, ret, msg.crc1);
readed += ret;
@@ -188,7 +188,7 @@ static int send_2nd(usb_dev_handle * udev, struct image * image) {
if ( need > sizeof(buffer) )
need = sizeof(buffer);
ret = image_read(image, buffer, need);
if ( ret < 0 )
if ( ret == 0 )
break;
if ( usb_bulk_write(udev, WRITE_DEV, (char *)buffer, ret, WRITE_TIMEOUT) != ret )
ERROR_RETURN("Sending 2nd X-Loader image failed", -1);
@@ -230,7 +230,7 @@ static int send_secondary(usb_dev_handle * udev, struct image * image) {
if ( need > sizeof(buffer) )
need = sizeof(buffer);
ret = image_read(image, buffer, need);
if ( ret < 0 )
if ( ret == 0 )
break;
if ( usb_bulk_write(udev, WRITE_DEV, (char *)buffer, ret, WRITE_TIMEOUT) != ret )
ERROR_RETURN("Sending Secondary image failed", -1);