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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-20 09:28:24 -0600
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-23 11:37:44 -0600
commit5b7f16804ad90e7f7a10c05b6a2e782598d9745a (patch)
tree2228c575b0b001eaf76f48216fee2f066065681a /drivers/scsi/hosts.c
parentde25deb18016f66dcdede165d07654559bb332bc (diff)
downloadop-kernel-dev-5b7f16804ad90e7f7a10c05b6a2e782598d9745a.zip
op-kernel-dev-5b7f16804ad90e7f7a10c05b6a2e782598d9745a.tar.gz
[SCSI] don't use __GFP_DMA for sense buffers if not required
Only hosts which actually have ISA DMA requirements need sense buffers coming out of ZONE_DMA, so only use the __GFP_DMA flag for that case to avoid allocating this scarce resource if it's not necessary. [tomo: fixed slab leak in failure case] Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/hosts.c')
-rw-r--r--drivers/scsi/hosts.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index f5d3fbb..9a10b43 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -268,7 +268,6 @@ static void scsi_host_dev_release(struct device *dev)
}
scsi_destroy_command_freelist(shost);
- scsi_destroy_command_sense_buffer(shost);
if (shost->bqt)
blk_free_tags(shost->bqt);
@@ -373,13 +372,9 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
else
shost->dma_boundary = 0xffffffff;
- rval = scsi_setup_command_sense_buffer(shost);
- if (rval)
- goto fail_kfree;
-
rval = scsi_setup_command_freelist(shost);
if (rval)
- goto fail_destroy_sense;
+ goto fail_kfree;
device_initialize(&shost->shost_gendev);
snprintf(shost->shost_gendev.bus_id, BUS_ID_SIZE, "host%d",
@@ -404,8 +399,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
fail_destroy_freelist:
scsi_destroy_command_freelist(shost);
- fail_destroy_sense:
- scsi_destroy_command_sense_buffer(shost);
fail_kfree:
kfree(shost);
return NULL;
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