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| author | Nicholas Bellinger <[email protected]> | 2011-09-16 23:55:47 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <[email protected]> | 2011-09-16 23:47:07 +0000 |
| commit | 40b054970afcf067896d62cd6f7e617c62665304 (patch) | |
| tree | 5596f2b4fa1c1f41f599caf21bd5d10681ab152b /lib/debugobjects.c | |
| parent | iscsi-target: Disable markers + remove dangerous local scope array usage (diff) | |
| download | kernel-40b054970afcf067896d62cd6f7e617c62665304.tar.gz kernel-40b054970afcf067896d62cd6f7e617c62665304.zip | |
iscsi-target: Fix sendpage breakage with proper padding+DataDigest iovec offsets
This patch fixes a bug in the iscsit_fe_sendpage_sg() transmit codepath that
was originally introduced with the v3.1 iscsi-target merge that incorrectly
uses hardcoded cmd->iov_data_count values to determine cmd->iov_data[] offsets
for extra outgoing padding and DataDigest payload vectors.
This code is obviously incorrect for the DataDigest enabled case with sendpage
offload, and this fix ensures correct operation for padding + DataDigest,
padding only, and DataDigest only cases. The bug was introduced during a
pre-merge change in iscsit_fe_sendpage_sg() to natively use struct scatterlist
instead of the legacy v3.0 struct se_mem logic.
Cc: Andy Grover <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
Diffstat (limited to 'lib/debugobjects.c')
0 files changed, 0 insertions, 0 deletions