[patch 02/19] Fix sparc64 MAP_FIXED handling of framebuffer mmaps

[Greg KH <gregkh@suse.de>]

-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Chris Wright <chrisw@sous-sol.org>

patch d58aa8c7b1cc0add7b03e26bdb8988d98d2f4cd1 in mainline.

From: Chris Wright <chrisw@sous-sol.org>
Date: Tue, 23 Oct 2007 20:36:14 -0700
Subject: [patch 02/19] [PATCH] [SPARC64]: pass correct addr in get_fb_unmapped_area(MAP_FIXED)

Looks like the MAP_FIXED case is using the wrong address hint.  I'd
expect the comment "don't mess with it" means pass the request
straight on through, not change the address requested to -ENOMEM.

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 arch/sparc64/kernel/sys_sparc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -319,7 +319,7 @@ unsigned long get_fb_unmapped_area(struc
 
 	if (flags & MAP_FIXED) {
 		/* Ok, don't mess with it. */
-		return get_unmapped_area(NULL, addr, len, pgoff, flags);
+		return get_unmapped_area(NULL, orig_addr, len, pgoff, flags);
 	}
 	flags &= ~MAP_SHARED;
 

-- 
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