From: Andy Lutomirski <l...@kernel.org>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 12e244f4b550498bbaf654a52f93633f7dde2dc7 upstream.
The previous fix confused a selector with a segment prefix. Fix it.
Compile-tested only.
Cc: sta...@vger.kernel.org
Cc: Juergen Gross <jgr...@suse.com>
Reported-by: Linus Torvalds <torva...@linux-foundation.org>
Fixes: 4809146b86c3 ("x86/ldt: Correct FPU emulation access to LDT")
Signed-off-by: Andy Lutomirski <l...@kernel.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
arch/x86/math-emu/get_address.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c
index d13cab2aec45..8300db71c2a6 100644
--- a/arch/x86/math-emu/get_address.c
+++ b/arch/x86/math-emu/get_address.c
@@ -157,7 +157,7 @@ static long pm_address(u_char FPU_modrm, u_char segment,
addr->selector = PM_REG_(segment);
}
- descriptor = FPU_get_ldt_descriptor(segment);
+ descriptor = FPU_get_ldt_descriptor(addr->selector);
base_address = SEG_BASE_ADDR(descriptor);
address = base_address + offset;
limit = base_address
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
