From: Wang Qing <wangqing@xxxxxxxx> It is better to use time_xxx() directly instead of jiffies judgment for understanding. Signed-off-by: Wang Qing <wangqing@xxxxxxxx> --- drivers/media/dvb-frontends/si21xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/si21xx.c b/drivers/media/dvb-frontends/si21xx.c index 001b235..1c6cf76 --- a/drivers/media/dvb-frontends/si21xx.c +++ b/drivers/media/dvb-frontends/si21xx.c @@ -336,7 +336,7 @@ static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout) dprintk("%s\n", __func__); while ((si21_readreg(state, LNB_CTRL_REG_1) & 0x8) == 8) { - if (jiffies - start > timeout) { + if (time_after(jiffies, start + timeout)) { dprintk("%s: timeout!!\n", __func__); return -ETIMEDOUT; } -- 2.7.4