mtd: cfi_cmdset_0002: Initialize datum before calling map_word_load_partial
In do_otp_write we must initialize the variable datum before calling map_word_load_partial. Otherwise the upper bits of datum may be undefined, which later causes problems in chip_good called by do_write_oneword. Signed-off-by: Christian Riesch <christian.riesch@omicron.at> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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@ -1295,7 +1295,7 @@ static int do_otp_write(struct map_info *map, struct flchip *chip, loff_t adr,
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unsigned long bus_ofs = adr & ~(map_bankwidth(map)-1);
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int gap = adr - bus_ofs;
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int n = min_t(int, len, map_bankwidth(map) - gap);
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map_word datum;
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map_word datum = map_word_ff(map);
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if (n != map_bankwidth(map)) {
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/* partial write of a word, load old contents */
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