1 files changed, 11 insertions, 5 deletions

diff --git a/include/linux/wait.h b/include/linux/wait.h
index ac38be2692d8..1133695eb067 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -217,6 +217,8 @@ do {									\
                 if (!ret)                                               \
                         break;                                          \
         }                                                               \
+        if (!ret && (condition))                                        \
+                ret = 1;                                                \
         finish_wait(&wq, &__wait);                                      \
 } while (0)
 
@@ -233,8 +235,9 @@ do {									\
  * wake_up() has to be called after changing any variable that could
  * change the result of the wait condition.
  *
- * The function returns 0 if the @timeout elapsed, and the remaining
- * jiffies if the condition evaluated to true before the timeout elapsed.
+ * The function returns 0 if the @timeout elapsed, or the remaining
+ * jiffies (at least 1) if the @condition evaluated to %true before
+ * the @timeout elapsed.
  */
 #define wait_event_timeout(wq, condition, timeout)                      \
 ({                                                                      \
@@ -302,6 +305,8 @@ do {									\
                 ret = -ERESTARTSYS;                                     \
                 break;                                                  \
         }                                                               \
+        if (!ret && (condition))                                        \
+                ret = 1;                                                \
         finish_wait(&wq, &__wait);                                      \
 } while (0)
 
@@ -318,9 +323,10 @@ do {									\
  * wake_up() has to be called after changing any variable that could
  * change the result of the wait condition.
  *
- * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it
- * was interrupted by a signal, and the remaining jiffies otherwise
- * if the condition evaluated to true before the timeout elapsed.
+ * Returns:
+ * 0 if the @timeout elapsed, -%ERESTARTSYS if it was interrupted by
+ * a signal, or the remaining jiffies (at least 1) if the @condition
+ * evaluated to %true before the @timeout elapsed.
  */
 #define wait_event_interruptible_timeout(wq, condition, timeout)        \
 ({                                                                      \