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x86: fix ktermios-termio conversion

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The legacy TCSETA{,W,F} ioctls failed to set the termio->c_line field
on x86. This adds a missing get_user.

The same ioctls also fail to report faulting user pointers, which
we keep ignoring.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Arnd Bergmann 2009-06-11 12:42:49 +01:00 committed by Linus Torvalds
parent 70fd8fdecc
commit 5b0ed5263c
1 changed files with 1 additions and 0 deletions
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arch/x86/include/asm/termios.h
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@ -67,6 +67,7 @@ static inline int user_termio_to_kernel_termios(struct ktermios *termios,
SET_LOW_TERMIOS_BITS(termios, termio, c_oflag);
SET_LOW_TERMIOS_BITS(termios, termio, c_cflag);
SET_LOW_TERMIOS_BITS(termios, termio, c_lflag);
get_user(termios->c_line, &termio->c_line);
return copy_from_user(termios->c_cc, termio->c_cc, NCC);
}