diff options
Diffstat (limited to 'linux/drivers/media/video/pvrusb2/pvrusb2-wm8775.c')
| -rw-r--r-- | linux/drivers/media/video/pvrusb2/pvrusb2-wm8775.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/linux/drivers/media/video/pvrusb2/pvrusb2-wm8775.c b/linux/drivers/media/video/pvrusb2/pvrusb2-wm8775.c index ce08dee9b..7890b45d2 100644 --- a/linux/drivers/media/video/pvrusb2/pvrusb2-wm8775.c +++ b/linux/drivers/media/video/pvrusb2/pvrusb2-wm8775.c @@ -105,8 +105,7 @@ static int wm8775_check(struct pvr2_v4l_wm8775 *ctxt) unsigned long msk; unsigned int idx; - for (idx = 0; idx < sizeof(wm8775_ops)/sizeof(wm8775_ops[0]); - idx++) { + for (idx = 0; idx < ARRAY_SIZE(wm8775_ops); idx++) { msk = 1 << idx; if (ctxt->stale_mask & msk) continue; if (wm8775_ops[idx].check(ctxt)) { @@ -122,8 +121,7 @@ static void wm8775_update(struct pvr2_v4l_wm8775 *ctxt) unsigned long msk; unsigned int idx; - for (idx = 0; idx < sizeof(wm8775_ops)/sizeof(wm8775_ops[0]); - idx++) { + for (idx = 0; idx < ARRAY_SIZE(wm8775_ops); idx++) { msk = 1 << idx; if (!(ctxt->stale_mask & msk)) continue; ctxt->stale_mask &= ~msk; @@ -146,16 +144,14 @@ int pvr2_i2c_wm8775_setup(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp) if (cp->handler) return 0; - ctxt = kmalloc(sizeof(*ctxt),GFP_KERNEL); + ctxt = kzalloc(sizeof(*ctxt),GFP_KERNEL); if (!ctxt) return 0; - memset(ctxt,0,sizeof(*ctxt)); ctxt->handler.func_data = ctxt; ctxt->handler.func_table = &hfuncs; ctxt->client = cp; ctxt->hdw = hdw; - ctxt->stale_mask = (1 << (sizeof(wm8775_ops)/ - sizeof(wm8775_ops[0]))) - 1; + ctxt->stale_mask = (1 << ARRAY_SIZE(wm8775_ops)) - 1; cp->handler = &ctxt->handler; pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x wm8775 V4L2 handler set up", cp->client->addr); |