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uml: fix a compile error

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Fix

arch/um/sys-i386/signal.c: In function 'copy_sc_from_user':
arch/um/sys-i386/signal.c:182: warning: dereferencing 'void *' pointer
arch/um/sys-i386/signal.c:182: error: request for member '_fxsr_env' in something not a structure or union

Signed-off-by: WANG Cong <wangcong@zeuux.org>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
WANG Cong 2008-10-18 20:27:26 -07:00 committed by Linus Torvalds
parent d12a6f7f91
commit 966c8079c0
1 changed files with 2 additions and 1 deletions
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3
arch/um/sys-i386/signal.c
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@ -179,7 +179,8 @@ static int copy_sc_from_user(struct pt_regs *regs,
if (have_fpx_regs) {
struct user_fxsr_struct fpx;
err = copy_from_user(&fpx, &sc.fpstate->_fxsr_env[0],
err = copy_from_user(&fpx,
&((struct _fpstate __user *)sc.fpstate)->_fxsr_env[0],
sizeof(struct user_fxsr_struct));
if (err)
return 1;