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spi: ppc4xx: handle irq_of_parse_and_map() errors
authorMa Ke <make24@iscas.ac.cn>
Mon, 22 Jul 2024 14:18:22 +0000 (22:18 +0800)
committerMark Brown <broonie@kernel.org>
Wed, 14 Aug 2024 17:26:49 +0000 (18:26 +0100)
commitf1011ba20b83da3ee70dcb4a6d9d282a718916fa
tree554d68cd5fac9e6f2c9e53dd693bee4658f2fa01tree
parent1c4d834e4e81637995b079fdb64fad4c32af15c8commit | diff
spi: ppc4xx: handle irq_of_parse_and_map() errors

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: 44dab88e7cc9 ("spi: add spi_ppc4xx driver")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Link: https://patch.msgid.link/20240722141822.1052370-1-make24@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-ppc4xx.c diff | blob | history
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