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powerpc/52xx: Fix a resource leak in an error handling path 

[ Upstream commit 5836947613 ]

The error handling path of mpc52xx_lpbfifo_probe() has a request_irq()
that is not balanced by a corresponding free_irq().

Add the missing call, as already done in the remove function.

Fixes: 3c9059d79f ("powerpc/5200: add LocalPlus bus FIFO device driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/dec1496d46ccd5311d0f6e9f9ca4238be11bf6a6.1643440531.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2022-01-29 08:16:04 +01:00 committed by Greg Kroah-Hartman
parent 65572a1316
commit fb3ef6a5af
1 changed files with 1 additions and 0 deletions
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arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
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@ -531,6 +531,7 @@ static int mpc52xx_lpbfifo_probe(struct platform_device *op)
err_bcom_rx_irq:
bcom_gen_bd_rx_release(lpbfifo.bcom_rx_task);
err_bcom_rx:
free_irq(lpbfifo.irq, &lpbfifo);
err_irq:
iounmap(lpbfifo.regs);
lpbfifo.regs = NULL;