Fix RAM disk when no audio buffer is available

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19814 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 1 deletions

diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c
index f8d8f4b3ff..85499c1bbd 100644
--- a/firmware/usbstack/usb_storage.c
+++ b/firmware/usbstack/usb_storage.c
@@ -403,6 +403,10 @@ void usb_storage_init_connection(void)
     static unsigned char _transfer_buffer[BUFFER_SIZE*2]
         USB_DEVBSS_ATTR __attribute__((aligned(32)));
     tb.transfer_buffer = (void *)_transfer_buffer;
+#ifdef USB_USE_RAMDISK
+    static unsigned char _ramdisk_buffer[RAMDISK_SIZE*SECTOR_SIZE];
+    ramdisk_buffer = _ramdisk_buffer;
+#endif
 #else
     /* TODO : check if bufsize is at least 32K ? */
     size_t bufsize;
@@ -412,10 +416,10 @@ void usb_storage_init_connection(void)
     tb.transfer_buffer =
         (void *)UNCACHED_ADDR((unsigned int)(audio_buffer + 31) & 0xffffffe0);
     invalidate_icache();
-#endif
 #ifdef USB_USE_RAMDISK
     ramdisk_buffer = tb.transfer_buffer + BUFFER_SIZE*2;
 #endif
+#endif
     usb_drv_recv(ep_out, tb.transfer_buffer, 1024);
 }