linux-kernel - [PATCH 1/5] staging/lustre: fix compile warning with is_vmalloc

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Message-Id: <1390538708-4120-2-git-send-email-green@linuxhacker.ru>
Date:	Thu, 23 Jan 2014 23:45:04 -0500
From:	Oleg Drokin <green@...uxhacker.ru>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Cc:	Oleg Drokin <green@...uxhacker.ru>,
	Laura Abbott <lauraa@...eaurora.org>
Subject: [PATCH 1/5] staging/lustre: fix compile warning with is_vmalloc_addr

Recent commit 175f5475fb9c5800319da4e3c4204413d7280f5c
introduced this compile warning (because vaddr is unsigned long),
so add a cast:
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c: In function ‘kiblnd_kvaddr_to_page’:
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:532:2: warning: passing argument 1 of ‘is_vmalloc_addr’ makes pointer from integer without a cast [enabled by default]
  if (is_vmalloc_addr(vaddr)) {
  ^
In file included from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h:43:0,
                 from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:41:
include/linux/mm.h:336:59: note: expected ‘const void *’ but argument is of type ‘long unsigned int’
 static inline int is_vmalloc_addr(const void *x)

Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
CC: Laura Abbott <lauraa@...eaurora.org>
---
 drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 9364863..6f58ead 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -529,7 +529,7 @@ kiblnd_kvaddr_to_page (unsigned long vaddr)
 {
 	struct page *page;
 
-	if (is_vmalloc_addr(vaddr)) {
+	if (is_vmalloc_addr((void *)vaddr)) {
 		page = vmalloc_to_page ((void *)vaddr);
 		LASSERT (page != NULL);
 		return page;
-- 
1.8.5.3

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