diff options
| author | Kees Cook | 2013-07-03 15:04:58 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2013-07-03 16:07:41 -0700 |
| commit | f170168b9a0b61ea1e647b082b38f605f1d3de3e (patch) | |
| tree | 4381c129ee9af108e368e6c8255df53cbe233257 /drivers/media | |
| parent | d8537548c924db3c44afde7646b6e220c7beb79d (diff) | |
drivers: avoid parsing names as kthread_run() format strings
Calling kthread_run with a single name parameter causes it to be handled
as a format string. Many callers are passing potentially dynamic string
content, so use "%s" in those cases to avoid any potential accidents.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/i2c/tvaudio.c | 3 | ||||
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-driver.c | 2 | ||||
| -rw-r--r-- | drivers/media/platform/vivi.c | 3 |
3 files changed, 5 insertions, 3 deletions
diff --git a/drivers/media/i2c/tvaudio.c b/drivers/media/i2c/tvaudio.c index b72a59d3216a..e0634c8b7e0b 100644 --- a/drivers/media/i2c/tvaudio.c +++ b/drivers/media/i2c/tvaudio.c @@ -2020,7 +2020,8 @@ static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id * /* start async thread */ chip->wt.function = chip_thread_wake; chip->wt.data = (unsigned long)chip; - chip->thread = kthread_run(chip_thread, chip, client->name); + chip->thread = kthread_run(chip_thread, chip, "%s", + client->name); if (IS_ERR(chip->thread)) { v4l2_warn(sd, "failed to create kthread\n"); chip->thread = NULL; diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c index 07b8460953b6..b809bc868a9f 100644 --- a/drivers/media/pci/ivtv/ivtv-driver.c +++ b/drivers/media/pci/ivtv/ivtv-driver.c @@ -753,7 +753,7 @@ static int ivtv_init_struct1(struct ivtv *itv) init_kthread_worker(&itv->irq_worker); itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker, - itv->v4l2_dev.name); + "%s", itv->v4l2_dev.name); if (IS_ERR(itv->irq_worker_task)) { IVTV_ERR("Could not create ivtv task\n"); return -1; diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c index 85bc314382d3..1d3f11965196 100644 --- a/drivers/media/platform/vivi.c +++ b/drivers/media/platform/vivi.c @@ -768,7 +768,8 @@ static int vivi_start_generating(struct vivi_dev *dev) dma_q->frame = 0; dma_q->ini_jiffies = jiffies; - dma_q->kthread = kthread_run(vivi_thread, dev, dev->v4l2_dev.name); + dma_q->kthread = kthread_run(vivi_thread, dev, "%s", + dev->v4l2_dev.name); if (IS_ERR(dma_q->kthread)) { v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n"); |