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gpio: mcp23s08: Do not free unrequested interrupt

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If devm_request_threaded_irq fails for some reason we call
mcp23s08_irq_teardown afterwards.
Do not free the unrequested interrupt in this case. free_irq can also be
omitted for the error free case because we use devm_request_threaded_irq.

Signed-off-by: Alexander Stein <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Alexander Stein 2014-11-11 09:08:43 +01:00 • committed by Linus Walleij
commit 1c649f4c86
1 changed files with 0 additions and 2 deletions
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2
drivers/gpio/gpio-mcp23s08.c
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@ -514,8 +514,6 @@ static void mcp23s08_irq_teardown(struct mcp23s08 *mcp)
{
unsigned int irq, i;
free_irq(mcp->irq, mcp);
for (i = 0; i < mcp->chip.ngpio; i++) {
irq = irq_find_mapping(mcp->irq_domain, i);
if (irq > 0)