staging: gasket: gasket_wait_with_reschedule simplify logic
authorTodd Poynor <toddpoynor@google.com>
Tue, 17 Jul 2018 20:56:52 +0000 (13:56 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jul 2018 09:39:47 +0000 (11:39 +0200)
gasket_wait_with_reschedule() is a little more clear if we just return
directly when the waited-for condition is hit.  This also allows the
following condition check to be removed and identation of the
conditionally-executed code to be reduced.

Reported-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/gasket/gasket_core.c

index 4425435..5ae3d44 100644 (file)
@@ -2097,18 +2097,12 @@ int gasket_wait_with_reschedule(
        while (retries < max_retries) {
                tmp = gasket_dev_read_64(gasket_dev, bar, offset);
                if ((tmp & mask) == val)
-                       break;
+                       return 0;
                msleep(delay_ms);
                retries++;
        }
-       if (retries == max_retries) {
-               gasket_log_error(
-                       gasket_dev,
-                       "%s timeout: reg %llx timeout (%llu ms)",
-                       __func__,
-                       offset, max_retries * delay_ms);
-               return -ETIMEDOUT;
-       }
-       return 0;
+       gasket_log_error(gasket_dev, "%s timeout: reg %llx timeout (%llu ms)",
+                        __func__, offset, max_retries * delay_ms);
+       return -ETIMEDOUT;
 }
 EXPORT_SYMBOL(gasket_wait_with_reschedule);