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asus-laptop: return proper error for store_ledd if write_acpi_int fail

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In current implementation, store_ledd() does not return error if
write_acpi_int fail.  This patch fixes it by return -ENODEV if
write_acpi_int fail.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Axel Lin 2010-07-20 15:19:48 -07:00 committed by Matthew Garrett
parent 9fb866f317
commit 6a984a0648
1 changed files with 4 additions and 3 deletions
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7
drivers/platform/x86/asus-laptop.c
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@ -796,10 +796,11 @@ static ssize_t store_ledd(struct device *dev, struct device_attribute *attr,
rv = parse_arg(buf, count, &value);
if (rv > 0) {
if (write_acpi_int(asus->handle, METHOD_LEDD, value))
if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {
pr_warning("LED display write failed\n");
else
asus->ledd_status = (u32) value;
return -ENODEV;
}
asus->ledd_status = (u32) value;
}
return rv;
}