diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
| commit | 0f8b29fabacbcf0e617896c7ea832b7ea2ef2406 (patch) | |
| tree | 0187f2baef24b5d78d94aecc7057356a36c58b5d /drivers/misc/pvpanic.c | |
| parent | e71a8d5cf4b4f274740e31b601216071e2a11afa (diff) | |
| parent | 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff) | |
Merge 5.11-rc5 into tty-next
We need the fixes in here and this resolves a merge issue in
drivers/tty/tty_io.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/pvpanic.c')
| -rw-r--r-- | drivers/misc/pvpanic.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c index 951b37da5e3c..41cab297d66e 100644 --- a/drivers/misc/pvpanic.c +++ b/drivers/misc/pvpanic.c @@ -55,12 +55,23 @@ static int pvpanic_mmio_probe(struct platform_device *pdev) struct resource *res; res = platform_get_mem_or_io(pdev, 0); - if (res && resource_type(res) == IORESOURCE_IO) + if (!res) + return -EINVAL; + + switch (resource_type(res)) { + case IORESOURCE_IO: base = devm_ioport_map(dev, res->start, resource_size(res)); - else + if (!base) + return -ENOMEM; + break; + case IORESOURCE_MEM: base = devm_ioremap_resource(dev, res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) + return PTR_ERR(base); + break; + default: + return -EINVAL; + } atomic_notifier_chain_register(&panic_notifier_list, &pvpanic_panic_nb); |