]> 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)
commit9982a70da7c35d1acabdba9882d99cf9af1f19ce
treee65ffca022ce791fc5ee04bfc3f1e16ff517ab15
parent151f06b7d2f01c0005bf06ba9809f7785a226781
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: def384144643 ("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