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| author |   Johan Hovold <johan@kernel.org> | 2021-04-07 12:39:20 +0200 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2021-04-08 09:46:01 +0200 |
| commit | 5f92aee93a68c3f3b13dc28a7e220adbdc3433b0 (patch) | |
| tree | b4ca87e4f861327bbde22d13aeaa848b8952b6a6 /drivers/usb/serial/option.c | |
| parent | USB: serial: whiteheat: fix TIOCGSERIAL implementation (diff) | |
| download | linux-dev-5f92aee93a68c3f3b13dc28a7e220adbdc3433b0.tar.xz linux-dev-5f92aee93a68c3f3b13dc28a7e220adbdc3433b0.zip | |
USB: serial: fix return value for unsupported ioctls
Drivers should return -ENOTTY ("Inappropriate I/O control operation")
when an ioctl isn't supported, while -EINVAL is used for invalid
arguments.
Fix up the TIOCMGET, TIOCMSET and TIOCGICOUNT helpers which returned
-EINVAL when a USB serial driver did not implement the corresponding
methods.
Note that the TIOCMGET and TIOCMSET helpers predate git and do not get a
corresponding Fixes tag below.
Fixes: d281da7ff6f7 ("tty: Make tiocgicount a handler")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/option.c')
0 files changed, 0 insertions, 0 deletions