diff options
Diffstat (limited to 'drivers/gpu/drm/drm_debugfs_crc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_debugfs_crc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c index ca3c55c6b815..e22b812c4b80 100644 --- a/drivers/gpu/drm/drm_debugfs_crc.c +++ b/drivers/gpu/drm/drm_debugfs_crc.c @@ -140,8 +140,8 @@ static ssize_t crc_control_write(struct file *file, const char __user *ubuf, if (IS_ERR(source)) return PTR_ERR(source); - if (source[len] == '\n') - source[len] = '\0'; + if (source[len - 1] == '\n') + source[len - 1] = '\0'; ret = crtc->funcs->verify_crc_source(crtc, source, &values_cnt); if (ret) @@ -258,6 +258,11 @@ static int crtc_crc_release(struct inode *inode, struct file *filep) struct drm_crtc *crtc = filep->f_inode->i_private; struct drm_crtc_crc *crc = &crtc->crc; + /* terminate the infinite while loop if 'drm_dp_aux_crc_work' running */ + spin_lock_irq(&crc->lock); + crc->opened = false; + spin_unlock_irq(&crc->lock); + crtc->funcs->set_crc_source(crtc, NULL); spin_lock_irq(&crc->lock); |