SATA: use NULL for ptrs
Fix sparse warnings in SATA:
drivers/ata/sata_sil.c:342:9: warning: Using plain integer as NULL pointer
drivers/ata/sata_mv.c:2056:55: warning: Using plain integer as NULL pointer
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index d689df5..c73aa3b 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -2052,7 +2052,7 @@
port->altstatus_addr = port->ctl_addr = shd_base + SHD_CTL_AST_OFS;
/* unused: */
- port->cmd_addr = port->bmdma_addr = port->scr_addr = 0;
+ port->cmd_addr = port->bmdma_addr = port->scr_addr = NULL;
/* Clear any currently outstanding port interrupt conditions */
serr_ofs = mv_scr_offset(SCR_ERROR);
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index dca3d37..1487255 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -339,7 +339,7 @@
break;
}
- return 0;
+ return NULL;
}
static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg)