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thunderbolt: Add the missed ida_simple_remove() in ring_request_msix()

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commit 7342ca34d931a357d408aaa25fadd031e46af137 upstream.

ring_request_msix() misses to call ida_simple_remove() in an error path.
Add a label 'err_ida_remove' and jump to it.

Fixes: 046bee1f9a ("thunderbolt: Add MSI-X support")
Cc: stable@vger.kernel.org
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jing Xiangfeng 2020-10-15 16:40:53 +08:00 committed by Greg Kroah-Hartman
parent 06c1895fe7
commit 1654bf2d9f
1 changed files with 15 additions and 4 deletions
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19
drivers/thunderbolt/nhi.c
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@ -410,12 +410,23 @@ static int ring_request_msix(struct tb_ring *ring, bool no_suspend)
ring->vector = ret;
ring->irq = pci_irq_vector(ring->nhi->pdev, ring->vector);
if (ring->irq < 0)
return ring->irq;
ret = pci_irq_vector(ring->nhi->pdev, ring->vector);
if (ret < 0)
goto err_ida_remove;
ring->irq = ret;
irqflags = no_suspend ? IRQF_NO_SUSPEND : 0;
return request_irq(ring->irq, ring_msix, irqflags, "thunderbolt", ring);
ret = request_irq(ring->irq, ring_msix, irqflags, "thunderbolt", ring);
if (ret)
goto err_ida_remove;
return 0;
err_ida_remove:
ida_simple_remove(&nhi->msix_ida, ring->vector);
return ret;
}
static void ring_release_msix(struct tb_ring *ring)