vvfat: fat_chksum(): fix access above array bounds
Signed-off-by: Loïc Minier <loic.minier@linaro.org> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -512,7 +512,7 @@ static inline uint8_t fat_chksum(const direntry_t* entry)
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for(i=0;i<11;i++) {
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for(i=0;i<11;i++) {
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unsigned char c;
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unsigned char c;
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c = (i <= 8) ? entry->name[i] : entry->extension[i-8];
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c = (i < 8) ? entry->name[i] : entry->extension[i-8];
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chksum=(((chksum&0xfe)>>1)|((chksum&0x01)?0x80:0)) + c;
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chksum=(((chksum&0xfe)>>1)|((chksum&0x01)?0x80:0)) + c;
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}
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}
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