[RFC,2/3] ata: make lba_{28,48}_ok() use ATA_MAX_SECTORS{,_LBA48}

Commit Message

Tom Yan July 13, 2016, 4:47 a.m. UTC

From: Tom Yan <[e-mail]>

Signed-off-by: Tom Yan <[e-mail]>

Patch

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 24f886c..d4bb802 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -1095,13 +1095,13 @@  static inline bool ata_ok(u8 status)
 static inline bool lba_28_ok(u64 block, u32 n_block)
 {
 	/* check the ending block number: must be LESS THAN 0x0fffffff */
-	return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256);
+	return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= ATA_MAX_SECTORS);
 }
 
 static inline bool lba_48_ok(u64 block, u32 n_block)
 {
 	/* check the ending block number */
-	return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536);
+	return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= ATA_MAX_SECTORS_LBA48);
 }
 
 #define sata_pmp_gscr_vendor(gscr)	((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)