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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
.. .. @@ -44,7 +44,8 @@
44 44  	if (!(value & PTP_TCR_TSCTRLSSR))
45 45  		data = (data * 1000) / 465;
46 46  
47 -	data &= PTP_SSIR_SSINC_MASK;
47 +	if (data > PTP_SSIR_SSINC_MAX)
48 +		data = PTP_SSIR_SSINC_MAX;
48 49  
49 50  	reg_value = data;
50 51  	if (gmac4)

..	..	@@ -44,7 +44,8 @@
44	44	if (!(value & PTP_TCR_TSCTRLSSR))
45	45	data = (data * 1000) / 465;
46	46
47		- data &= PTP_SSIR_SSINC_MASK;
	47	+ if (data > PTP_SSIR_SSINC_MAX)
	48	+ data = PTP_SSIR_SSINC_MAX;
48	49
49	50	reg_value = data;
50	51	if (gmac4)