diff options
| author | Andy Lutomirski | 2015-08-14 15:02:55 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2015-08-16 15:11:05 -0700 |
| commit | 12e244f4b550498bbaf654a52f93633f7dde2dc7 (patch) | |
| tree | efea08716a5a23ee317608ecc3efacf8bfb073bb | |
| parent | 4809146b86c3d41ce588fdb767d021e2a80600dd (diff) | |
x86/ldt: Further fix FPU emulation
The previous fix confused a selector with a segment prefix. Fix it.
Compile-tested only.
Cc: stable@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: 4809146b86c3 ("x86/ldt: Correct FPU emulation access to LDT")
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/x86/math-emu/get_address.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 |