From: Randy Dunlap 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 Cc: Jeff Garzik Signed-off-by: Andrew Morton --- drivers/ata/sata_mv.c | 2 +- drivers/ata/sata_sil.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff -puN drivers/ata/sata_mv.c~sata-use-null-for-ptrs drivers/ata/sata_mv.c --- a/drivers/ata/sata_mv.c~sata-use-null-for-ptrs +++ a/drivers/ata/sata_mv.c @@ -2052,7 +2052,7 @@ static void mv_port_init(struct ata_iopo 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 -puN drivers/ata/sata_sil.c~sata-use-null-for-ptrs drivers/ata/sata_sil.c --- a/drivers/ata/sata_sil.c~sata-use-null-for-ptrs +++ a/drivers/ata/sata_sil.c @@ -339,7 +339,7 @@ static inline void __iomem *sil_scr_addr break; } - return 0; + return NULL; } static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg) _