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scsi: scsi_debug: Use vcalloc() to simplify code

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Use vcalloc() instead of vmalloc() followed by bitmap_zero() to simplify
the function sdebug_add_store().

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Link: https://lore.kernel.org/r/20250806124633.383426-3-rongqianfeng@vivo.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Qianfeng Rong
2025-08-19 21:56:23 -04:00
committed by Martin K. Petersen
parent daedd69abf
commit 6b5da52a18
1 changed files with 2 additions and 4 deletions
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drivers/scsi/scsi_debug.c
+2 -4
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@@ -8782,8 +8782,8 @@ static int sdebug_add_store(void)
/* Logical Block Provisioning */
if (scsi_debug_lbp()) {
map_size = lba_to_map_index(sdebug_store_sectors - 1) + 1;
sip->map_storep = vmalloc(array_size(sizeof(long),
BITS_TO_LONGS(map_size)));
sip->map_storep = vcalloc(BITS_TO_LONGS(map_size),
sizeof(long));
pr_info("%lu provisioning blocks\n", map_size);
@@ -8792,8 +8792,6 @@ static int sdebug_add_store(void)
goto err;
}
bitmap_zero(sip->map_storep, map_size);
/* Map first 1KB for partition table */
if (sdebug_num_parts)
map_region(sip, 0, 2);