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authorAxel Lin <axel.lin@gmail.com>2010-07-20 15:19:48 -0700
committerMatthew Garrett <mjg@redhat.com>2010-08-03 09:49:01 -0400
commit6a984a06487129f013ee2df6ce98b6cfada1e7b1 (patch)
treedc71ab1c6c4080663d56b535cadd63da42fad6be /drivers/platform/x86/asus-laptop.c
parent9fb866f317def195bb794120e13d1d73c2a94bb2 (diff)
asus-laptop: return proper error for store_ledd if write_acpi_int fail
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>
Diffstat (limited to 'drivers/platform/x86/asus-laptop.c')
-rw-r--r--drivers/platform/x86/asus-laptop.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 19445eaff6f..40897bab2eb 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -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;
}