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| author | Michal Ostrowski <mostrows@watson.ibm.com> | 2005-07-15 03:56:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-15 09:54:51 -0700 |
| commit | a1287ba1ba810aae1f8b81e32560d5d3bf3ff9f0 (patch) | |
| tree | c16aef43738ee0bf32e3514065ad394d04980900 /drivers/char/rocket.c | |
| parent | 6f97933d0fd13920d7d53b6e0107bb674b3a1f0b (diff) | |
| download | linux-a1287ba1ba810aae1f8b81e32560d5d3bf3ff9f0.tar.gz linux-a1287ba1ba810aae1f8b81e32560d5d3bf3ff9f0.tar.bz2 linux-a1287ba1ba810aae1f8b81e32560d5d3bf3ff9f0.zip | |
[PATCH] rocket.c: Fix ldisc ref count handling
If bailing out because there is nothing to receive in rp_do_receive(),
tty_ldisc_deref is not called. Failure to do so increases the ref count
and causes release_dev() to hang since it can't get the ref count to 0.
Signed-off-by: Michal Ostrowski <mostrows@watson.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/rocket.c')
| -rw-r--r-- | drivers/char/rocket.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index f463d6baa685..5b1d3680c8ab 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -355,7 +355,7 @@ static void rp_do_receive(struct r_port *info, ToRecv = space; if (ToRecv <= 0) - return; + goto done; /* * if status indicates there are errored characters in the @@ -437,6 +437,7 @@ static void rp_do_receive(struct r_port *info, } /* Push the data up to the tty layer */ ld->receive_buf(tty, tty->flip.char_buf, tty->flip.flag_buf, count); +done: tty_ldisc_deref(ld); } |