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(parent: c7984f4) | patch
ioat1: move descriptor allocation from submit to prep
authorDan Williams <dan.j.williams@intel.com>
Tue, 28 Jul 2009 21:44:04 +0000 (14:44 -0700)
committerDan Williams <dan.j.williams@intel.com>
Wed, 9 Sep 2009 00:29:55 +0000 (17:29 -0700)
commita0587bcf3e64029a4da2a5666cad18df38db0d56
tree475b3a2a7cd102f40d7c16fed431c227576c255atree | snapshot (tar.gz zip)
parentc7984f4e4e3af3bf8027d636283ea8658c7f80b9commit | diff
ioat1: move descriptor allocation from submit to prep

The async_tx api assumes that after a successful ->prep a subsequent
->submit will not fail due to a lack of resources.

This also fixes a bug in the allocation failure case.  Previously the
descriptors allocated prior to the allocation failure would not be
returned to the free list.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/dma/ioat/dma.c diff | blob | blame | history