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authorH. Peter Anvin <hpa@zytor.com>2019-08-10 18:16:37 -0700
committerH. Peter Anvin <hpa@zytor.com>2019-08-10 18:16:37 -0700
commita6358096202e1b3bec58decabaad007f4957392c (patch)
treef1af30312ae2a4e8092db58e87d1f0bd055ec2d2
parentd91519a107d276d1ba891c82550f67b5808451c7 (diff)
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list_option_mask(): return 0 (empty mask) for < '0'
Missing limit check at the bottom of the ASCII range. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-rw-r--r--asm/listing.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/asm/listing.h b/asm/listing.h
index 19cdbb48..21c46775 100644
--- a/asm/listing.h
+++ b/asm/listing.h
@@ -149,6 +149,8 @@ static inline const_func uint64_t list_option_mask(unsigned char x)
if (x > '9')
return 0;
x = x - '0' + 26*2;
+ } else {
+ return 0;
}
return UINT64_C(1) << x;