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s390/cio: Use array indices instead of pointer arithmetic

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ccw_device_get_ciw() already uses array indices to iterate over the vector
of CIWs, but then switches to pointer arithmetic when returning the one it
found. Change this to make it more consistent.

Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Benjamin Block 2023-04-04 20:33:59 +02:00 committed by Alexander Gordeev
parent bc3d4402a0
commit efd34db6e6
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/cio/device_ops.c
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@ -445,7 +445,7 @@ struct ciw *ccw_device_get_ciw(struct ccw_device *cdev, __u32 ct)
return NULL; return NULL;
for (ciw_cnt = 0; ciw_cnt < MAX_CIWS; ciw_cnt++) for (ciw_cnt = 0; ciw_cnt < MAX_CIWS; ciw_cnt++)
if (cdev->private->dma_area->senseid.ciw[ciw_cnt].ct == ct) if (cdev->private->dma_area->senseid.ciw[ciw_cnt].ct == ct)
return cdev->private->dma_area->senseid.ciw + ciw_cnt; return &cdev->private->dma_area->senseid.ciw[ciw_cnt];
return NULL; return NULL;
} }