Unverified Commit fd568660 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!13238 staging: iio: frequency: ad9834: Validate frequency parameter value 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zicheng Qu <quzicheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/EBS6VUXQFFKKYAITPP74Y5EQJTWMCRIW/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAVU8A 
 
Link:https://gitee.com/openeuler/kernel/pulls/13238

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 9c5b52f1 c4a6aeb7

drivers/staging/iio/frequency/ad9834.c

+1 −1
Original line number Diff line number Diff line
@@ -115,7 +115,7 @@ static int ad9834_write_frequency(struct ad9834_state *st, 


	clk_freq = clk_get_rate(st->mclk);



	if (fout > (clk_freq / 2))

	if (!clk_freq || fout > (clk_freq / 2))

		return -EINVAL;



	regval = ad9834_calc_freqreg(clk_freq, fout);