libata: return boolean values from ata_is_*
This way we don't have to worry about the exact bit postition of the
test to leak out and any crazy propagation effects in the callers.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index d15c19e..4e5a09c 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1063,32 +1063,32 @@
return 0;
}
-static inline int ata_is_atapi(u8 prot)
+static inline bool ata_is_atapi(u8 prot)
{
return ata_prot_flags(prot) & ATA_PROT_FLAG_ATAPI;
}
-static inline int ata_is_nodata(u8 prot)
+static inline bool ata_is_nodata(u8 prot)
{
return !(ata_prot_flags(prot) & ATA_PROT_FLAG_DATA);
}
-static inline int ata_is_pio(u8 prot)
+static inline bool ata_is_pio(u8 prot)
{
return ata_prot_flags(prot) & ATA_PROT_FLAG_PIO;
}
-static inline int ata_is_dma(u8 prot)
+static inline bool ata_is_dma(u8 prot)
{
return ata_prot_flags(prot) & ATA_PROT_FLAG_DMA;
}
-static inline int ata_is_ncq(u8 prot)
+static inline bool ata_is_ncq(u8 prot)
{
return ata_prot_flags(prot) & ATA_PROT_FLAG_NCQ;
}
-static inline int ata_is_data(u8 prot)
+static inline bool ata_is_data(u8 prot)
{
return ata_prot_flags(prot) & ATA_PROT_FLAG_DATA;
}
@@ -1407,7 +1407,7 @@
return ap->nr_pmp_links != 0;
}
-static inline int ata_is_host_link(const struct ata_link *link)
+static inline bool ata_is_host_link(const struct ata_link *link)
{
return link == &link->ap->link || link == link->ap->slave_link;
}
@@ -1422,7 +1422,7 @@
return false;
}
-static inline int ata_is_host_link(const struct ata_link *link)
+static inline bool ata_is_host_link(const struct ata_link *link)
{
return 1;
}