| Message ID | 20190913190647.18334-1-christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] media: v4l: cadence: Fix how unsued lanes are handled in 'csi2rx_start()' | expand |
diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c index 31ace114eda1..be9ec59774d6 100644 --- a/drivers/media/platform/cadence/cdns-csi2rx.c +++ b/drivers/media/platform/cadence/cdns-csi2rx.c @@ -129,7 +129,7 @@ static int csi2rx_start(struct csi2rx_priv *csi2rx) */ for (i = csi2rx->num_lanes; i < csi2rx->max_lanes; i++) { unsigned int idx = find_first_zero_bit(&lanes_used, - sizeof(lanes_used)); + csi2rx->max_lanes); set_bit(idx, &lanes_used); reg |= CSI2RX_STATIC_CFG_DLANE_MAP(i, i + 1); }
The 2nd parameter of 'find_first_zero_bit()' is a number of bits, not of bytes. So use 'csi2rx->max_lanes' instead of 'sizeof(lanes_used)'. Fixes: 1fc3b37f34f6 ("media: v4l: cadence: Add Cadence MIPI-CSI2 RX driver") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- v2: use csi2rx->max_lanes instead of BITS_PER_LONG --- drivers/media/platform/cadence/cdns-csi2rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)