From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 20 Nov 2009 18:48:23 +0000 (+0100)
Subject: thinkpad-acpi: fix sign of ERESTARTSYS return
X-Git-Tag: v2.6.31.7~62
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57ce46ef790bc67038322ed59c26f6d8eed9ee61;p=thirdparty%2Fkernel%2Fstable.git

thinkpad-acpi: fix sign of ERESTARTSYS return

commit 80a8d1228e90349b4514e8c925c061fa5cbcea75 upstream.

The returned error should be negative

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index d287283b8aa51..e5a7eab5bb4c2 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5863,7 +5863,7 @@ static int brightness_write(char *buf)
 	 * Doing it this way makes the syscall restartable in case of EINTR
 	 */
 	rc = brightness_set(level);
-	return (rc == -EINTR)? ERESTARTSYS : rc;
+	return (rc == -EINTR)? -ERESTARTSYS : rc;
 }
 
 static struct ibm_struct brightness_driver_data = {