31 lines
886 B
Diff
31 lines
886 B
Diff
From 96d775860fb7e404d6acaf7e8dfbd171cfbcee15 Mon Sep 17 00:00:00 2001
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From: Han Han <hhan@redhat.com>
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Date: Mon, 20 Jun 2022 16:45:19 +0800
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Subject: [PATCH] Fix an runtime error reported by undefind sanitizer
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Fix the following error when compiling with undefined sanitizer:
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./lsusb
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names.c:36:29: runtime error: left shift of 16 by 27 places cannot be represented in type 'int'
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Signed-off-by: Han Han <hhan@redhat.com>
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---
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names.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/names.c b/names.c
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index c8cdd02..beae8f8 100644
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--- a/names.c
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+++ b/names.c
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@@ -33,7 +33,7 @@
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static unsigned int hashnum(unsigned int num)
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{
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- unsigned int mask1 = HASH1 << 27, mask2 = HASH2 << 27;
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+ unsigned int mask1 = (unsigned int)HASH1 << 27, mask2 = (unsigned int)HASH2 << 27;
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for (; mask1 >= HASH1; mask1 >>= 1, mask2 >>= 1)
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if (num & mask1)
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--
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2.37.0.windows.1
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