Commit c575e911 authored by Lukas Wunner's avatar Lukas Wunner Committed by Mark Brown

spi: pic32: Don't leak DMA channels in probe error path

If the calls to devm_request_irq() or devm_spi_register_master() fail
on probe of the PIC32 SPI driver, the DMA channels requested by
pic32_spi_dma_prep() are erroneously not released.  Plug the leak.

Fixes: 1bcb9f8c ("spi: spi-pic32: Add PIC32 SPI master driver")
Signed-off-by: default avatarLukas Wunner <lukas@wunner.de>
Cc: <stable@vger.kernel.org> # v4.7+
Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Link: https://lore.kernel.org/r/9624250e3a7aa61274b38219a62375bac1def637.1604874488.git.lukas@wunner.deSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8853b250
......@@ -839,6 +839,7 @@ static int pic32_spi_probe(struct platform_device *pdev)
return 0;
err_bailout:
pic32_spi_dma_unprep(pic32s);
clk_disable_unprepare(pic32s->clk);
err_master:
spi_master_put(master);
......
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