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Check if can_update_spt succeeded 

This fixes uninitialized value compiler warning for tseg1 and tseg2.
pull/120/head
Tomasz Wasilczyk 2019-01-10 12:18:31 -08:00
parent 8991b5c47d
commit b5362f7c59
1 changed files with 5 additions and 1 deletions
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6
can-calc-bit-timing.c
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@ -511,7 +511,11 @@ static int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt,
/* real sample point */ /* real sample point */
bt->sample_point = can_update_spt(btc, spt_nominal, best_tseg, bt->sample_point = can_update_spt(btc, spt_nominal, best_tseg,
&tseg1, &tseg2, NULL); &tseg1, &tseg2, &spt_error);
if (spt_error == UINT_MAX) {
netdev_err(dev, "can_update_spt failed\n");
return -EDOM;
}
v64 = (u64)best_brp * 1000 * 1000 * 1000; v64 = (u64)best_brp * 1000 * 1000 * 1000;
do_div(v64, priv->clock.freq); do_div(v64, priv->clock.freq);