diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2022-08-21 02:36:09 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-09 11:44:34 +0300 |
commit | 1d5d66825610bb7be23e2229731261c8e99eaa28 (patch) | |
tree | a8390bbd15c5fd08ec5f2bf8e222f132d4d56346 /arch/mips/include | |
parent | 408e532e80997be64caf8cdf45f2ff53c2279725 (diff) | |
download | linux-1d5d66825610bb7be23e2229731261c8e99eaa28.tar.xz |
termios: uninline conversion helpers
default go into drivers/tty/tty_ioctl.c, unusual - into
arch/*/kernel/termios.c (only alpha and sparc have those).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/YxDmeUBHo0s/Ew8b@ZenIV
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r-- | arch/mips/include/asm/termios.h | 84 |
1 files changed, 6 insertions, 78 deletions
diff --git a/arch/mips/include/asm/termios.h b/arch/mips/include/asm/termios.h index bc29eeacc55a..5e8c9d137dee 100644 --- a/arch/mips/include/asm/termios.h +++ b/arch/mips/include/asm/termios.h @@ -23,83 +23,11 @@ #include <linux/string.h> -/* - * Translate a "termio" structure into a "termios". Ugh. - */ -static inline int user_termio_to_kernel_termios(struct ktermios *termios, - struct termio __user *termio) -{ - unsigned short iflag, oflag, cflag, lflag; - unsigned int err; - - if (!access_ok(termio, sizeof(struct termio))) - return -EFAULT; - - err = __get_user(iflag, &termio->c_iflag); - termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag; - err |=__get_user(oflag, &termio->c_oflag); - termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag; - err |=__get_user(cflag, &termio->c_cflag); - termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag; - err |=__get_user(lflag, &termio->c_lflag); - termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag; - err |=__get_user(termios->c_line, &termio->c_line); - if (err) - return -EFAULT; - - if (__copy_from_user(termios->c_cc, termio->c_cc, NCC)) - return -EFAULT; - - return 0; -} - -/* - * Translate a "termios" structure into a "termio". Ugh. - */ -static inline int kernel_termios_to_user_termio(struct termio __user *termio, - struct ktermios *termios) -{ - int err; - - if (!access_ok(termio, sizeof(struct termio))) - return -EFAULT; - - err = __put_user(termios->c_iflag, &termio->c_iflag); - err |= __put_user(termios->c_oflag, &termio->c_oflag); - err |= __put_user(termios->c_cflag, &termio->c_cflag); - err |= __put_user(termios->c_lflag, &termio->c_lflag); - err |= __put_user(termios->c_line, &termio->c_line); - if (err) - return -EFAULT; - - if (__copy_to_user(termio->c_cc, termios->c_cc, NCC)) - return -EFAULT; - - return 0; -} - -static inline int user_termios_to_kernel_termios(struct ktermios __user *k, - struct termios2 *u) -{ - return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0; -} - -static inline int kernel_termios_to_user_termios(struct termios2 __user *u, - struct ktermios *k) -{ - return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0; -} - -static inline int user_termios_to_kernel_termios_1(struct ktermios *k, - struct termios __user *u) -{ - return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0; -} - -static inline int kernel_termios_to_user_termios_1(struct termios __user *u, - struct ktermios *k) -{ - return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0; -} +int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *); +int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *); +int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *); +int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *); +int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *); +int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *); #endif /* _ASM_TERMIOS_H */ |