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>
This commit is contained in:
parent
4612c715a6
commit
636fdbf88e
|
@ -1295,7 +1295,7 @@ static int do_otp_write(struct map_info *map, struct flchip *chip, loff_t adr,
|
|||
unsigned long bus_ofs = adr & ~(map_bankwidth(map)-1);
|
||||
int gap = adr - bus_ofs;
|
||||
int n = min_t(int, len, map_bankwidth(map) - gap);
|
||||
map_word datum;
|
||||
map_word datum = map_word_ff(map);
|
||||
|
||||
if (n != map_bankwidth(map)) {
|
||||
/* partial write of a word, load old contents */
|
||||
|
|
Loading…
Reference in a new issue