From 207ba9c4e304e7527012711ddbf64c019d9fc87c Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 20 Feb 2013 13:15:57 +1100
Subject: [PATCH] 
 fs-proc-vmcorec-put-if-tests-in-the-top-of-the-while-loop-to-reduce-duplication-fix

avoid `if (foo = bar)' thing, use min_t()

Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 fs/proc/vmcore.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index b92b289010ba..6e2bcf4c051f 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -178,8 +178,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
         	return -EINVAL;
 
 	while (buflen) {
-		if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)
-			tsz = buflen;
+		tsz = max_t(size_t, buflen, PAGE_SIZE - (start & ~PAGE_MASK));
 
 		/* Calculate left bytes in current memory segment. */
 		nr_bytes = (curr_m->size - (start - curr_m->paddr));
-- 
2.39.5