diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/media/usb/pvrusb2 | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/media/usb/pvrusb2')
| -rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-hdw.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index 967424f73..203418f87 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -3672,11 +3672,10 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, hdw->cmd_debug_state = 1; - if (write_len) { + if (write_len && write_data) hdw->cmd_debug_code = ((unsigned char *)write_data)[0]; - } else { + else hdw->cmd_debug_code = 0; - } hdw->cmd_debug_write_len = write_len; hdw->cmd_debug_read_len = read_len; @@ -3688,7 +3687,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, setup_timer(&timer, pvr2_ctl_timeout, (unsigned long)hdw); timer.expires = jiffies + timeout; - if (write_len) { + if (write_len && write_data) { hdw->cmd_debug_state = 2; /* Transfer write data to internal buffer */ for (idx = 0; idx < write_len; idx++) { @@ -3795,7 +3794,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, goto done; } } - if (read_len) { + if (read_len && read_data) { /* Validate results of read request */ if ((hdw->ctl_read_urb->status != 0) && (hdw->ctl_read_urb->status != -ENOENT) && |