[PATCH] libata: make ata_bus_probe() return negative errno on failure
ata_bus_probe() uses unsigned int rc to receive negative errno and
returns the converted unsigned int value. Convert temporary variables
to int and make ata_bus_probe() return negative errno on failure.
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 8def7a5..c7ba523 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1349,13 +1349,13 @@
* PCI/etc. bus probe sem.
*
* RETURNS:
- * Zero on success, non-zero on error.
+ * Zero on success, negative errno otherwise.
*/
static int ata_bus_probe(struct ata_port *ap)
{
unsigned int classes[ATA_MAX_DEVICES];
- unsigned int i, rc, found = 0;
+ int i, rc, found = 0;
ata_port_probe(ap);
@@ -1421,7 +1421,7 @@
err_out_disable:
ap->ops->port_disable(ap);
- return -1;
+ return -ENODEV;
}
/**