ide: fix IDE_HFLAG_NO_ATAPI_DMA handling in config_drive_for_dma()

commit 33c1002ed912ac9dacedd5d5b166da3b72d18460 incorrectly changed return
value from '0' to '-1', fix it (ns87415 was the only host driver affected
since it uses both IDE_HFLAG_TRUST_BIOS_FOR_DMA and IDE_HFLAG_NO_ATAPI_DMA).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 202d56a..e3add70 100644 (file)
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -340,7 +340,7 @@ static int config_drive_for_dma (ide_drive_t *drive)
 
        if (drive->media != ide_disk) {
                if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
-                       return -1;
+                       return 0;
        }
 
        /*