[PATCH] libata: fix ata_xfer_tbl termination

ata_xfer_tbl is terminated by entry with -1 as ->shift.  However,
->shift was unsigned int making the termination condition bogus.  This
patch converts ->shift and ->bits to int.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 63ae23b..e63c1ff 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -278,7 +278,7 @@ static void ata_unpack_xfermask(unsigned int xfer_mask,
 }
 
 static const struct ata_xfer_ent {
-       unsigned int shift, bits;
+       int shift, bits;
        u8 base;
 } ata_xfer_tbl[] = {
        { ATA_SHIFT_PIO, ATA_BITS_PIO, XFER_PIO_0 },