diff options
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index f461830c64c..1829029cc9b 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1098,12 +1098,13 @@ void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw, if (!hdw->flag_ok) return; msk &= PVR2_SUBSYS_ALL; + nmsk = (hdw->subsys_enabled_mask & ~msk) | (val & msk); + nmsk &= PVR2_SUBSYS_ALL; for (;;) { tryCount++; - vmsk = hdw->subsys_enabled_mask & PVR2_SUBSYS_ALL; - nmsk = (vmsk & ~msk) | (val & msk); - if (!(nmsk ^ vmsk)) break; + if (!((nmsk ^ hdw->subsys_enabled_mask) & + PVR2_SUBSYS_ALL)) break; if (tryCount > 4) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "Too many retries when configuring device;" |