linux-kernel - [PATCH] kernel/sys.c: fix "warning: do-while statement is not a compound statement" noise

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE190901E2454E@mi8nycmail19.Mi8.com>
Date:	Fri, 16 Oct 2009 17:54:31 -0400
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] kernel/sys.c: fix "warning: do-while statement is not a compound statement" noise

do_each_thread/while_each_thread wrap a block of code that is in this format:

	for (...)
		do
			...
		while

If curly braces do not surround the inner loop the following warning is
generated by sparse:

	warning: do-while statement is not a compound statement

Fix the warning by adding the braces.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>

---

diff --git a/kernel/sys.c b/kernel/sys.c
index 255475d..33edb1e 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -190,10 +190,10 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)
 				 !(user = find_user(who)))
 				goto out_unlock;	/* No processes for this user */
 
-			do_each_thread(g, p)
+			do_each_thread(g, p) {
 				if (__task_cred(p)->uid == who)
 					error = set_one_prio(p, niceval, error);
-			while_each_thread(g, p);
+			} while_each_thread(g, p);
 			if (who != cred->uid)
 				free_uid(user);		/* For find_user() */
 			break;
@@ -253,13 +253,13 @@ SYSCALL_DEFINE2(getpriority, int, which, int, who)
 				 !(user = find_user(who)))
 				goto out_unlock;	/* No processes for this user */
 
-			do_each_thread(g, p)
+			do_each_thread(g, p) {
 				if (__task_cred(p)->uid == who) {
 					niceval = 20 - task_nice(p);
 					if (niceval > retval)
 						retval = niceval;
 				}
-			while_each_thread(g, p);
+			} while_each_thread(g, p);
 			if (who != cred->uid)
 				free_uid(user);		/* for find_user() */
 			break; 
--
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