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Merge branch 'bugfix/esp_flash_write_temp_buffer_lifetime_v4.2' into 'release/v4.2'

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esp_flash: fix write issue using buffer on stack out of lifetime (v4.2)

See merge request espressif/esp-idf!17206
This commit is contained in:
Michael (XIAO Xufeng) 2022-03-15 22:14:57 +08:00
commit c2d2d58ff1
1 changed files with 4 additions and 4 deletions
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8
components/spi_flash/esp_flash_api.c
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@ -598,14 +598,14 @@ esp_err_t IRAM_ATTR esp_flash_write(esp_flash_t *chip, const void *buffer, uint3
do {
uint32_t write_len;
const void *write_buf;
uint32_t temp_buf[8];
if (direct_write) {
write_len = MIN(length, MAX_WRITE_CHUNK);
write_buf = buffer;
} else {
uint32_t buf[8];
write_len = MIN(length, sizeof(buf));
memcpy(buf, buffer, write_len);
write_buf = buf;
write_len = MIN(length, sizeof(temp_buf));
memcpy(temp_buf, buffer, write_len);
write_buf = temp_buf;
}
err = spiflash_start(chip);