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(parent: 9b4e18f) | patch
8250_men_mcb: fix error handling in read_uarts_available_from_reg()
authorYang Yingliang <yangyingliang@huawei.com>
Fri, 28 Jul 2023 08:57:23 +0000 (16:57 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 30 Jul 2023 11:52:52 +0000 (13:52 +0200)
commit5f45b336fc57cb31c81d2eb4a63008ab65840a2b
treeacf1dbcc4099b20ff912e2987148ebe3439504f3tree | snapshot
parent9b4e18f032db160a70d73d3cdf3a0bff229686b4commit | diff
8250_men_mcb: fix error handling in read_uarts_available_from_reg()

If ioremap() fails, it returns NULL pointer, not ERR_PTR(), fix the
return value check and call release_mem_region() to release resource.

Fixes: c563831ba879 ("8250_men_mcb: Make UART config auto configurable")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230728085723.3195044-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_men_mcb.c diff | blob | history
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