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authorDavid S. Miller <davem@davemloft.net>2008-06-10 02:22:26 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-10 02:22:26 -0700
commit65b53e4cc90e59936733b3b95b9451d2ca47528d (patch)
tree29932718192962671c48c3fd1ea017a6112459e8 /drivers/char/n_tty.c
parent788c0a53164c05c5ccdb1472474372b72ba74644 (diff)
parent2e761e0532a784816e7e822dbaaece8c5d4be14d (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/tg3.c drivers/net/wireless/rt2x00/rt2x00dev.c net/mac80211/ieee80211_i.h
Diffstat (limited to 'drivers/char/n_tty.c')
-rw-r--r--drivers/char/n_tty.c13
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;