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authorDavid S. Miller <davem@davemloft.net>2019-11-02 13:12:51 -0700
committerDavid S. Miller <davem@davemloft.net>2019-11-02 13:54:56 -0700
commitd31e95585ca697fb31440c6fe30113adc85ecfbd (patch)
tree4936ea0aaa6b2aeeee4db51e3c60d938c9b9ed96 /drivers/hid/hid-gaff.c
parentc23fcbbc6aa4e0bb615e8a7f23e1f32aec235a1c (diff)
parent1204c70d9dcba31164f78ad5d8c88c42335d51f8 (diff)
downloadlwn-d31e95585ca697fb31440c6fe30113adc85ecfbd.tar.gz
lwn-d31e95585ca697fb31440c6fe30113adc85ecfbd.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The only slightly tricky merge conflict was the netdevsim because the mutex locking fix overlapped a lot of driver reload reorganization. The rest were (relatively) trivial in nature. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/hid/hid-gaff.c')
-rw-r--r--drivers/hid/hid-gaff.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c
index 0f95c96b70f8..ecbd3995a4eb 100644
--- a/drivers/hid/hid-gaff.c
+++ b/drivers/hid/hid-gaff.c
@@ -64,14 +64,20 @@ static int gaff_init(struct hid_device *hid)
{
struct gaff_device *gaff;
struct hid_report *report;
- struct hid_input *hidinput = list_entry(hid->inputs.next,
- struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct list_head *report_ptr = report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;