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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-12-19 18:22:21 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-12-20 08:44:40 +0100 |
| commit | 8dcb3c7628f19192dd568fbee9094a2d4b14b6af (patch) | |
| tree | e92e2afc46f46c3c89bf9b3b8928480bb14c4b3e /drivers/input | |
| parent | Input: uinput - sanity check on ff_effects_max and EV_FF (diff) | |
| download | linux-8dcb3c7628f19192dd568fbee9094a2d4b14b6af.tar.xz linux-8dcb3c7628f19192dd568fbee9094a2d4b14b6af.zip | |
Input: egalax_ts_serial - fix potential NULL dereference on error
We didn't check input_allocate_device() for failures so it could lead to
a NULL deref.
Fixes: 6b0f8f9c52ef ('Input: add eGalaxTouch serial touchscreen driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/egalax_ts_serial.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/egalax_ts_serial.c b/drivers/input/touchscreen/egalax_ts_serial.c index a078c1c2c3f9..657bbae608c8 100644 --- a/drivers/input/touchscreen/egalax_ts_serial.c +++ b/drivers/input/touchscreen/egalax_ts_serial.c @@ -105,7 +105,7 @@ static int egalax_connect(struct serio *serio, struct serio_driver *drv) egalax = kzalloc(sizeof(struct egalax), GFP_KERNEL); input_dev = input_allocate_device(); - if (!egalax) { + if (!egalax || !input_dev) { error = -ENOMEM; goto err_free_mem; } |