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authorRafael J. Wysocki <rjw@sisk.pl>2007-07-19 01:47:35 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:42 -0700
commitc2cf7d87d804c66e063829d5ca739053e901dc15 (patch)
tree0c8217d9dca6a3ffcf4073315a6a8f6328639b3a
parente7cd8a722745a01bcfac4d4a52d53391d177da20 (diff)
Freezer: remove redundant check in try_to_freeze_tasks
We don't need to check if todo is positive before calling time_after() in try_to_freeze_tasks(), because if todo is zero at this point, the loop will be broken anyway due to the while () condition being false. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--kernel/power/process.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 00cdbe5f518f..3434940a3df1 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -149,7 +149,7 @@ static int try_to_freeze_tasks(int freeze_user_space)
} while_each_thread(g, p);
read_unlock(&tasklist_lock);
yield(); /* Yield is okay here */
- if (todo && time_after(jiffies, end_time))
+ if (time_after(jiffies, end_time))
break;
} while (todo);