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| author | Alan Cox <alan@linux.intel.com> | 2012-09-17 12:03:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-17 04:45:29 -0700 |
| commit | d83114e9754cf5deb3424217ff2f10cace1428e3 (patch) | |
| tree | 55bcfb35785ec1c3f4ffed4797938c36ac567402 /drivers/tty/hvc | |
| parent | 7ac3c93e5dd74486ca4f8f0b02ae55182658d2e5 (diff) | |
| download | linux-3.10-d83114e9754cf5deb3424217ff2f10cace1428e3.tar.gz linux-3.10-d83114e9754cf5deb3424217ff2f10cace1428e3.tar.bz2 linux-3.10-d83114e9754cf5deb3424217ff2f10cace1428e3.zip | |
tty: Fix hvc return
HVC returns a size of -1 bytes for the write room in some cases.
This is bogus and not handled by the tty layer at all.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/hvc')
| -rw-r--r-- | drivers/tty/hvc/hvc_console.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 7f80f15681c..4a652999380 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -558,7 +558,7 @@ static int hvc_write_room(struct tty_struct *tty) struct hvc_struct *hp = tty->driver_data; if (!hp) - return -1; + return 0; return hp->outbuf_size - hp->n_outbuf; } |