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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 15:08:35 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 15:08:35 -0700
commit2af170dd241810212cbdbdc802ba7d39e3fb23b9 (patch)
tree3d16719aa102444337f161c457502704a4967a53 /drivers/scsi
parentab08ed1770140ebcf1be1657087689832b755874 (diff)
parent3be6cbd73f74b4a3da82cc7d6e1688a4ae595fc7 (diff)
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] kill ata_sg_is_last() Update libata driver for bf548 atapi controller against the 2.6.24 tree. libata-sff: Correct use of check_status() drivers/ata: add support to Freescale 3.0Gbps SATA Controller pata_acpi: fix build breakage if !CONFIG_PM
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ipr.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index b41dfb539021..c316a0bcae6c 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5134,6 +5134,7 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd,
u32 ioadl_flags = 0;
struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
+ struct ipr_ioadl_desc *last_ioadl = NULL;
int len = qc->nbytes + qc->pad_len;
struct scatterlist *sg;
@@ -5156,11 +5157,13 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd,
ata_for_each_sg(sg, qc) {
ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg));
ioadl->address = cpu_to_be32(sg_dma_address(sg));
- if (ata_sg_is_last(sg, qc))
- ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
- else
- ioadl++;
+
+ last_ioadl = ioadl;
+ ioadl++;
}
+
+ if (likely(last_ioadl))
+ last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
}
/**