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scsi: ipr: Fix missing/incorrect resource cleanup in error case

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[ Upstream commit d64c491911 ]

Fix missing resource cleanup (when '(--i) == 0') for error case in
ipr_alloc_mem() and skip incorrect resource cleanup (when '(--i) == 0') for
error case in ipr_request_other_msi_irqs() because variable i started from
1.

Link: https://lore.kernel.org/r/20220529153456.4183738-4-cgxu519@mykernel.net
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chengguang Xu
2022-05-29 23:34:53 +08:00
committed by Greg Kroah-Hartman
parent 85acc5bf05
commit 410b692621
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/ipr.c
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@@ -9792,7 +9792,7 @@ static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
GFP_KERNEL);
if (!ioa_cfg->hrrq[i].host_rrq) {
while (--i > 0)
while (--i >= 0)
dma_free_coherent(&pdev->dev,
sizeof(u32) * ioa_cfg->hrrq[i].size,
ioa_cfg->hrrq[i].host_rrq,
@@ -10065,7 +10065,7 @@ static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg,
ioa_cfg->vectors_info[i].desc,
&ioa_cfg->hrrq[i]);
if (rc) {
while (--i >= 0)
while (--i > 0)
free_irq(pci_irq_vector(pdev, i),
&ioa_cfg->hrrq[i]);
return rc;