scsi: pmcraid: Fix missing resource cleanup in error case

stable inclusion
from stable-v5.10.124
commit 16dd002eb87174fef8fca452f3c3ca23f2d7af3d
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6E7

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=16dd002eb87174fef8fca452f3c3ca23f2d7af3d

--------------------------------

[ Upstream commit ec1e8adc ]

Fix missing resource cleanup (when '(--i) == 0') for error case in
pmcraid_register_interrupt_handler().

Link: https://lore.kernel.org/r/20220529153456.4183738-6-cgxu519@mykernel.netReviewed-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NChengguang Xu <cgxu519@mykernel.net>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>

drivers/scsi/pmcraid.c

@@ -4528,7 +4528,7 @@ pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance)
 	return 0;
 
 out_unwind:
-	while (--i > 0)
+	while (--i >= 0)
 		free_irq(pci_irq_vector(pdev, i), &pinstance->hrrq_vector[i]);
 	pci_free_irq_vectors(pdev);
 	return rc;