scsi: ufs-bsg: Fix runtime PM imbalance on error
[ Upstream commita1e17eb03e
] When ufs_bsg_alloc_desc_buffer() returns an error code, a pairing runtime PM usage counter decrement is needed to keep the counter balanced. Link: https://lore.kernel.org/r/20200522045932.31795-1-dinghao.liu@zju.edu.cn Fixes:74e5e468b6
(scsi: ufs-bsg: Wake the device before sending raw upiu commands) Reviewed-by: Avri Altman <avri.altman@wdc.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>
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@ -106,8 +106,10 @@ static int ufs_bsg_request(struct bsg_job *job)
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desc_op = bsg_request->upiu_req.qr.opcode;
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ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
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&desc_len, desc_op);
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if (ret)
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if (ret) {
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pm_runtime_put_sync(hba->dev);
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goto out;
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}
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/* fall through */
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case UPIU_TRANSACTION_NOP_OUT:
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