tree 2228c575b0b001eaf76f48216fee2f066065681a
parent de25deb18016f66dcdede165d07654559bb332bc
author James Bottomley <James.Bottomley@HansenPartnership.com> 1200842904 -0600
committer James Bottomley <James.Bottomley@HansenPartnership.com> 1201109864 -0600

[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>