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Message-ID: <6018343.yi13pxNXUP@vostro.rjw.lan> Date: Wed, 23 Jul 2014 00:12:03 +0200 From: "Rafael J. Wysocki" <rjw@...ysocki.net> To: Arjun Sreedharan <arjun024@...il.com> Cc: lenb@...nel.org, linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] PNPACPI: check return value of pnpacpi_parse_allocated_resource() and pnpacpi_parse_resource_option_data() On Wednesday, July 23, 2014 12:43:39 AM Arjun Sreedharan wrote: > Handle error condition since pnpacpi_parse_allocated_resource() and pnpacpi_parse_resource_option_data() could return -EPERM. > > Signed-off-by: Arjun Sreedharan <arjun024@...il.com> I wonder if this fixes any functional issue you've seen or someone has reported to you or it's just an "Oh, we probably should handle the return values here" kind of thing? > --- > drivers/pnp/pnpacpi/core.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c > index b81448b..c3214e9 100644 > --- a/drivers/pnp/pnpacpi/core.c > +++ b/drivers/pnp/pnpacpi/core.c > @@ -272,10 +272,14 @@ static int __init pnpacpi_add_device(struct acpi_device *device) > strncpy(dev->name, acpi_device_bid(device), sizeof(dev->name)); > > if (dev->active) > - pnpacpi_parse_allocated_resource(dev); > + error = pnpacpi_parse_allocated_resource(dev); > + if (error) > + return error; > > if (dev->capabilities & PNP_CONFIGURABLE) > - pnpacpi_parse_resource_option_data(dev); > + error = pnpacpi_parse_resource_option_data(dev); > + if (error) > + return error; > > list_for_each_entry(id, &device->pnp.ids, list) { > if (!strcmp(id->id, pnpid)) > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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