dmaengine: idxd: fix abort status check

mainline inclusion
from mainline-v5.15
commit b60bb6e2
category: bugfix
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I596WO


CVE: NA

Intel-SIG: commit b60bb6e2 dmaengine: idxd: fix abort status check.
Incremental backporting patches for DSA/IAA on Intel Xeon platform.

--------------------------------

Coverity static analysis of linux-next found issue.

The check (status == IDXD_COMP_DESC_ABORT) is always false since status
was previously masked with 0x7f and IDXD_COMP_DESC_ABORT is 0xff.

Fixes: 6b4b87f2 ("dmaengine: idxd: fix submission race window")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162698465160.3560828.18173186265683415384.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>