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| author | Peter Hurley <peter@hurleysoftware.com> | 2013-12-02 20:24:44 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-09 01:51:28 +0100 |
| commit | 001ba923719bc555552ac4c9fe8df4d8c888df39 (patch) | |
| tree | 2ba02d8afb44991750e73f677f8464ef8104e27b /drivers/tty/n_tty.c | |
| parent | n_tty: Un-inline slow-path n_tty_receive_char_closing() (diff) | |
| download | linux-001ba923719bc555552ac4c9fe8df4d8c888df39.tar.xz linux-001ba923719bc555552ac4c9fe8df4d8c888df39.zip | |
n_tty: Refactor PARMRK doubling checks
Perform PARMRK doubling checks explicitly; remove ternary idiom
and local variable.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 582a05c012f0..649fd94d1aa6 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1257,7 +1257,6 @@ static int n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) { struct n_tty_data *ldata = tty->disc_data; - int parmrk; if (I_IXON(tty)) { if (c == START_CHAR(tty)) { @@ -1342,8 +1341,6 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) } if ((c == EOL_CHAR(tty)) || (c == EOL2_CHAR(tty) && L_IEXTEN(tty))) { - parmrk = (c == (unsigned char) '\377' && I_PARMRK(tty)) - ? 1 : 0; /* * XXX are EOL_CHAR and EOL2_CHAR echoed?!? */ @@ -1358,7 +1355,7 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) * XXX does PARMRK doubling happen for * EOL_CHAR and EOL2_CHAR? */ - if (parmrk) + if (c == (unsigned char) '\377' && I_PARMRK(tty)) put_tty_queue(c, ldata); handle_newline: @@ -1372,7 +1369,6 @@ handle_newline: } } - parmrk = (c == (unsigned char) '\377' && I_PARMRK(tty)) ? 1 : 0; if (L_ECHO(tty)) { finish_erasing(ldata); if (c == '\n') @@ -1386,7 +1382,8 @@ handle_newline: commit_echoes(tty); } - if (parmrk) + /* PARMRK doubling check */ + if (c == (unsigned char) '\377' && I_PARMRK(tty)) put_tty_queue(c, ldata); put_tty_queue(c, ldata); @@ -1397,7 +1394,6 @@ static inline void n_tty_receive_char_inline(struct tty_struct *tty, unsigned char c) { struct n_tty_data *ldata = tty->disc_data; - int parmrk; if (tty->stopped && !tty->flow_stopped && I_IXON(tty) && I_IXANY(tty)) { start_tty(tty); @@ -1411,8 +1407,8 @@ n_tty_receive_char_inline(struct tty_struct *tty, unsigned char c) echo_char(c, tty); commit_echoes(tty); } - parmrk = (c == (unsigned char) '\377' && I_PARMRK(tty)) ? 1 : 0; - if (parmrk) + /* PARMRK doubling check */ + if (c == (unsigned char) '\377' && I_PARMRK(tty)) put_tty_queue(c, ldata); put_tty_queue(c, ldata); } |