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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-27 17:54:50 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-27 17:54:50 -0400
commite494f6333bef20fd9d8689062260c5d0136a3ea0 (patch)
treefaeeef85f8ccabd26ba94fc5a6226f889be2b429 /drivers
parent3bd19078c215d15e20b4447d9c4aa0065813b207 (diff)
parent0c144d0d0303917000cc918e63567b5ded22d5e2 (diff)
Merge 'upstream' branch of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/libata-scsi.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 7a4adc4c8f09..794fb559efb0 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1176,8 +1176,12 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
1176 n_sectors = ata_id_u32(args->id, 60); 1176 n_sectors = ata_id_u32(args->id, 60);
1177 n_sectors--; /* ATA TotalUserSectors - 1 */ 1177 n_sectors--; /* ATA TotalUserSectors - 1 */
1178 1178
1179 tmp = n_sectors; /* note: truncates, if lba48 */
1180 if (args->cmd->cmnd[0] == READ_CAPACITY) { 1179 if (args->cmd->cmnd[0] == READ_CAPACITY) {
1180 if( n_sectors >= 0xffffffffULL )
1181 tmp = 0xffffffff ; /* Return max count on overflow */
1182 else
1183 tmp = n_sectors ;
1184
1181 /* sector count, 32-bit */ 1185 /* sector count, 32-bit */
1182 rbuf[0] = tmp >> (8 * 3); 1186 rbuf[0] = tmp >> (8 * 3);
1183 rbuf[1] = tmp >> (8 * 2); 1187 rbuf[1] = tmp >> (8 * 2);
@@ -1191,10 +1195,12 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
1191 1195
1192 } else { 1196 } else {
1193 /* sector count, 64-bit */ 1197 /* sector count, 64-bit */
1194 rbuf[2] = n_sectors >> (8 * 7); 1198 tmp = n_sectors >> (8 * 4);
1195 rbuf[3] = n_sectors >> (8 * 6); 1199 rbuf[2] = tmp >> (8 * 3);
1196 rbuf[4] = n_sectors >> (8 * 5); 1200 rbuf[3] = tmp >> (8 * 2);
1197 rbuf[5] = n_sectors >> (8 * 4); 1201 rbuf[4] = tmp >> (8 * 1);
1202 rbuf[5] = tmp;
1203 tmp = n_sectors;
1198 rbuf[6] = tmp >> (8 * 3); 1204 rbuf[6] = tmp >> (8 * 3);
1199 rbuf[7] = tmp >> (8 * 2); 1205 rbuf[7] = tmp >> (8 * 2);
1200 rbuf[8] = tmp >> (8 * 1); 1206 rbuf[8] = tmp >> (8 * 1);