diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:53:03 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:53:03 +0200 |
commit | 009b9fc98ddd83f9139fdabb12c0d7a8535d5421 (patch) | |
tree | f7d3e182407d2ebe50a9b8db6361ac910027a1cf /drivers/char/n_tty.c | |
parent | 3711ccb07b7f0a13f4f1aa16a8fdca9c930f21ca (diff) | |
parent | 481c5346d0981940ee63037eb53e4e37b0735c10 (diff) |
Merge branch 'linus' into x86/threadinfotip-x86-threadinfo-2008-06-23_09.53_Mon
Diffstat (limited to 'drivers/char/n_tty.c')
-rw-r--r-- | drivers/char/n_tty.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 19105ec203f7..8096389b0dc2 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -282,16 +282,20 @@ static int opost(unsigned char c, struct tty_struct *tty) if (O_ONLRET(tty)) tty->column = 0; if (O_ONLCR(tty)) { - if (space < 2) + if (space < 2) { + unlock_kernel(); return -1; + } tty_put_char(tty, '\r'); tty->column = 0; } tty->canon_column = tty->column; break; case '\r': - if (O_ONOCR(tty) && tty->column == 0) + if (O_ONOCR(tty) && tty->column == 0) { + unlock_kernel(); return 0; + } if (O_OCRNL(tty)) { c = '\n'; if (O_ONLRET(tty)) @@ -303,10 +307,13 @@ static int opost(unsigned char c, struct tty_struct *tty) case '\t': spaces = 8 - (tty->column & 7); if (O_TABDLY(tty) == XTABS) { - if (space < spaces) + if (space < spaces) { + unlock_kernel(); return -1; + } tty->column += spaces; tty->ops->write(tty, " ", spaces); + unlock_kernel(); return 0; } tty->column += spaces; |