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path: root/drivers/hid/uhid.c
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Diffstat (limited to 'drivers/hid/uhid.c')
-rw-r--r--drivers/hid/uhid.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index bf13746d1731..5dee8bd60745 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -363,7 +363,7 @@ static int uhid_dev_create2(struct uhid_device *uhid,
const struct uhid_event *ev)
{
struct hid_device *hid;
- size_t rd_size;
+ size_t rd_size, len;
void *rd_data;
int ret;
@@ -387,12 +387,12 @@ static int uhid_dev_create2(struct uhid_device *uhid,
goto err_free;
}
- strncpy(hid->name, ev->u.create2.name, 127);
- hid->name[127] = 0;
- strncpy(hid->phys, ev->u.create2.phys, 63);
- hid->phys[63] = 0;
- strncpy(hid->uniq, ev->u.create2.uniq, 63);
- hid->uniq[63] = 0;
+ len = min(sizeof(hid->name), sizeof(ev->u.create2.name)) - 1;
+ strncpy(hid->name, ev->u.create2.name, len);
+ len = min(sizeof(hid->phys), sizeof(ev->u.create2.phys)) - 1;
+ strncpy(hid->phys, ev->u.create2.phys, len);
+ len = min(sizeof(hid->uniq), sizeof(ev->u.create2.uniq)) - 1;
+ strncpy(hid->uniq, ev->u.create2.uniq, len);
hid->ll_driver = &uhid_hid_driver;
hid->bus = ev->u.create2.bus;