bb03531925272e
author Mike Christie <michaelc@cs.wisc.edu> 1172705541 -0600
committer James Bottomley <jejb@mulgrave.il.steeleye.com> 1173630611 -0500

[SCSI] iscsi_tcp: print useful error message when iscsi crc23c allocation fails

People do not read the README and seem to like to
unselect the crc32c module even though iscsi_tcp selects
it for them. This patch spits a error that tells the user
that they really do need the module. Hopefully, we will
get fewer people asking about this now.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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