[SCSI] libsas: fix test for negative unsigned and typos

unsigned req->data_len cannot be negative, and fix =-/-= typo

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Roel Kluin 2009-01-02 17:32:55 +01:00 • committed by James Bottomley
commit a234b1103f