dmaengine: idxd: Remove unused status variable in irq_process_work_list()

mainline inclusion
from mainline-v5.15
commit 53cbf462
category: bugfix
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I596WO


CVE: NA

Intel-SIG: commit 53cbf462 dmaengine: idxd: Remove unused status variable in irq_process_work_list().
Incremental backporting patches for DSA/IAA on Intel Xeon platform.

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

status is no longer used within this block:

drivers/dma/idxd/irq.c:255:6: warning: unused variable 'status'
[-Wunused-variable]
                u8 status = desc->completion->status & DSA_COMP_STATUS_MASK;
                   ^
1 warning generated.

Fixes: b60bb6e2 ("dmaengine: idxd: fix abort status check")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20210802175820.3153920-1-nathan@kernel.org


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