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Date: Wed, 08 Jul 2009 00:13:21 +0800
From: "Figo.zhang" <figo1802@...il.com>
To: Andrew Morton <akpm@...l.org>
Cc: Tejun Heo <tj@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] vmalloc.c: fix double error checking
it is no need for double error checking.
Signed-off-by: Figo.zhang <figo1802@...il.com>
---
mm/vmalloc.c | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index f8189a4..56b2469 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -159,20 +159,15 @@ static int vmap_page_range_noflush(unsigned long start, unsigned long end,
pgd_t *pgd;
unsigned long next;
unsigned long addr = start;
- int err = 0;
int nr = 0;
BUG_ON(addr >= end);
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
- err = vmap_pud_range(pgd, addr, next, prot, pages, &nr);
- if (err)
- break;
+ if (vmap_pud_range(pgd, addr, next, prot, pages, &nr))
+ return -ENOMEM;
} while (pgd++, addr = next, addr != end);
-
- if (unlikely(err))
- return err;
return nr;
}
--
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