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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
.. .. @@ -1214,6 +1214,9 @@
1214 1214  
1215 1215  	dinfo = GET_DINFO(info);
1216 1216  
1217 +	if (!var->pixclock)
1218 +		return -EINVAL;
1219 +
1217 1220  	/* update the pitch */
1218 1221  	if (intelfbhw_validate_mode(dinfo, var) != 0)
1219 1222  		return -EINVAL;

..	..	@@ -1214,6 +1214,9 @@
1214	1214
1215	1215	dinfo = GET_DINFO(info);
1216	1216
	1217	+ if (!var->pixclock)
	1218	+ return -EINVAL;
	1219	+
1217	1220	/* update the pitch */
1218	1221	if (intelfbhw_validate_mode(dinfo, var) != 0)
1219	1222	return -EINVAL;