diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-03 15:44:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-03 15:44:38 +0300 |
| commit | 824adf37ee9ddf3ecba1bc245507bc5953dda268 (patch) | |
| tree | ee85366f9e2c019b58492558d8ad406df35fd260 /drivers/auxdisplay | |
| parent | f2ee4759fb700b32a1bd830960fe86bf6bdfd0ab (diff) | |
| parent | c9e6606c7fe92b50a02ce51dda82586ebdf99b48 (diff) | |
| download | linux-824adf37ee9ddf3ecba1bc245507bc5953dda268.tar.xz | |
Merge 5.16-rc8 into char-misc-next
We need the fixes in here as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/auxdisplay')
| -rw-r--r-- | drivers/auxdisplay/charlcd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c index 304accde365c..6d309e4971b6 100644 --- a/drivers/auxdisplay/charlcd.c +++ b/drivers/auxdisplay/charlcd.c @@ -37,7 +37,7 @@ struct charlcd_priv { bool must_clear; /* contains the LCD config state */ - unsigned long int flags; + unsigned long flags; /* Current escape sequence and it's length or -1 if outside */ struct { @@ -578,6 +578,9 @@ static int charlcd_init(struct charlcd *lcd) * Since charlcd_init_display() needs to write data, we have to * enable mark the LCD initialized just before. */ + if (WARN_ON(!lcd->ops->init_display)) + return -EINVAL; + ret = lcd->ops->init_display(lcd); if (ret) return ret; |