clk: fix overflow_before_widen case

abonislawski · abonislawski · commit 84d4de2d91dc · 2024-07-11T09:20:59.000+02:00
This will fix integer overflow

Signed-off-by: Adrian Bonislawski &lt;adrian.bonislawski@intel.com&gt;
diff --git a/src/lib/clk.c b/src/lib/clk.c
@@ -138,7 +138,7 @@ uint64_t clock_ticks_per_sample(int clock, uint32_t sample_rate)
 
 	platform_shared_get(clk_info, sizeof(*clk_info));
 	ticks_per_msec = clk_info->freqs[clk_info->current_freq_idx].ticks_per_msec;
-	ticks_per_sample = sample_rate ? ticks_per_msec * 1000 / sample_rate : 0;
+	ticks_per_sample = sample_rate ? ticks_per_msec * 1000ULL / sample_rate : 0;
 
 	return ticks_per_sample;
 }

Original file line number	Diff line number	Diff line change
`@@ -138,7 +138,7 @@ uint64_t clock_ticks_per_sample(int clock, uint32_t sample_rate)`
`138`	`138`
`139`	`139`	`platform_shared_get(clk_info, sizeof(*clk_info));`
`140`	`140`	`ticks_per_msec = clk_info->freqs[clk_info->current_freq_idx].ticks_per_msec;`
`141`		`- ticks_per_sample = sample_rate ? ticks_per_msec * 1000 / sample_rate : 0;`
	`141`	`+ ticks_per_sample = sample_rate ? ticks_per_msec * 1000ULL / sample_rate : 0;`
`142`	`142`
`143`	`143`	`return ticks_per_sample;`
`144`	`144`	`}`