x86: fix ktermios-termio conversion

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 <[email protected]> Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
cbmeeks · Jun 11, 2009 · 5b0ed52 · 5b0ed52
1 parent 70fd8fd
commit 5b0ed52
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/arch/x86/include/asm/termios.h b/arch/x86/include/asm/termios.h
@@ -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);
 }