spi: ppc4xx: handle irq_of_parse_and_map() errors

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Zero and negative number is not a valid IRQ for in-kernel code and the
irq_of_parse_and_map() function returns zero on error.  So this check for
valid IRQs should only accept values > 0.

Fixes: 44dab88e7c ("spi: add spi_ppc4xx driver")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Link: https://patch.msgid.link/20240724084047.1506084-1-make24@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

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Ma Ke 2024-07-24 16:40:47 +08:00 • committed by Mark Brown

parent 158678bea6

commit 0f245463b0

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drivers/spi/spi-ppc4xx.c

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