]> git.baikalelectronics.ru Git - kernel.git/commit
spi: meson-spicc: add IRQ check in meson_spicc_probe
authorMiaoqian Lin <linmq006@gmail.com>
Wed, 26 Jan 2022 11:04:47 +0000 (11:04 +0000)
committerMark Brown <broonie@kernel.org>
Wed, 26 Jan 2022 13:32:36 +0000 (13:32 +0000)
commita7ddc8f5587614f02a29d5e27af5c0be9ae38fae
treee65ffca022ce791fc5ee04bfc3f1e16ff517ab15
parent8226702fb60dc74fe6e72fecd9a4284b3f878770
spi: meson-spicc: add IRQ check in meson_spicc_probe

This check misses checking for  platform_get_irq()'s call and may passes
the negative error codes to devm_request_irq(), which takes unsigned IRQ #,
causing it to fail with -EINVAL, overriding an original error code.
Stop calling devm_request_irq() with invalid IRQ #s.

Fixes: 00c733c3e352 ("spi: Add Meson SPICC driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220126110447.24549-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-meson-spicc.c