thinkpad-acpi: fix sign of ERESTARTSYS return

The returned error should be negative

Signed-off-by: Roel Kluin <[email protected]>
Acked-by: Henrique de Moraes Holschuh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: <[email protected]>
Signed-off-by: Len Brown <[email protected]>

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index d93108d148fc14cebff5ca14202ff161bb3551b0..03c0a56f0c8c8584afb7669f7d1178c53a7beeb7 100644 (file)
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6313,7 +6313,7 @@ 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 = {