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scsi: scsi_debug: Fix memleak in scsi_debug_init()

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[ Upstream commit 3b01d7ea4d ]

When sdeb_zbc_model does not match BLK_ZONED_NONE, BLK_ZONED_HA or
BLK_ZONED_HM, we should free sdebug_q_arr to prevent memleak. Also there is
no need to execute sdebug_erase_store() on failure of sdeb_zbc_model_str().

Link: https://lore.kernel.org/r/20201226061503.20050-1-dinghao.liu@zju.edu.cn
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dinghao Liu 2020-12-26 14:15:03 +08:00 committed by Greg Kroah-Hartman
parent c419b747ee
commit fb84da3a68
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/scsi_debug.c
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@ -6740,7 +6740,7 @@ static int __init scsi_debug_init(void)
k = sdeb_zbc_model_str(sdeb_zbc_model_s);
if (k < 0) {
ret = k;
goto free_vm;
goto free_q_arr;
}
sdeb_zbc_model = k;
switch (sdeb_zbc_model) {
@ -6753,7 +6753,8 @@ static int __init scsi_debug_init(void)
break;
default:
pr_err("Invalid ZBC model\n");
return -EINVAL;
ret = -EINVAL;
goto free_q_arr;
}
}
if (sdeb_zbc_model != BLK_ZONED_NONE) {