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| author |  Yang Yingliang <yangyingliang@huawei.com>
| 2023-07-28 16:57:23 +0800 |
|---|---|---|
| committer |  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| 2023-07-30 13:52:52 +0200 |
| commit | 5f45b336fc57cb31c81d2eb4a63008ab65840a2b (patch) | |
| tree | acf1dbcc4099b20ff912e2987148ebe3439504f3 /drivers/tty/serial/earlycon-riscv-sbi.c | |
| parent | serial: st-asc: Use devm_platform_get_and_ioremap_resource() (diff) | |
| download | linux-5f45b336fc57cb31c81d2eb4a63008ab65840a2b.tar.gz linux-5f45b336fc57cb31c81d2eb4a63008ab65840a2b.tar.bz2 linux-5f45b336fc57cb31c81d2eb4a63008ab65840a2b.zip | |
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>
Diffstat (limited to 'drivers/tty/serial/earlycon-riscv-sbi.c')
0 files changed, 0 insertions, 0 deletions