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| author | Alan Cox <alan@linux.intel.com> | 2009-07-20 16:05:27 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-20 16:38:43 -0700 |
| commit | 23198fda7182969b619613a555f8645fdc3dc334 (patch) | |
| tree | d6c322a36d955958ab89ffb0a1a7327dc84e180c /drivers/usb/class/cdc-acm.c | |
| parent | 254702568da63ce6f5ad68e77d83b427da693654 (diff) | |
| download | lwn-23198fda7182969b619613a555f8645fdc3dc334.tar.gz lwn-23198fda7182969b619613a555f8645fdc3dc334.zip | |
tty: fix chars_in_buffers
This function does not have an error return and returning an error is
instead interpreted as having a lot of pending bytes.
Reported by Jeff Harris who provided a list of some of the remaining
offenders.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 5b15d9d8896b..e1f89416ef8c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -750,7 +750,7 @@ static int acm_tty_chars_in_buffer(struct tty_struct *tty) { struct acm *acm = tty->driver_data; if (!ACM_READY(acm)) - return -EINVAL; + return 0; /* * This is inaccurate (overcounts), but it works. */ |