With tiny SPI flash the erasesize is 0 which can cause a divide-by-zero error. Check for this and return a proper error instead.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v3: - Fix 'returns' typo
drivers/mtd/spi/sf_probe.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index e192f97efdc..de6516f1065 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -189,7 +189,8 @@ static int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len) struct mtd_info *mtd = &flash->mtd; struct erase_info instr;
- if (offset % mtd->erasesize || len % mtd->erasesize) { + if (!mtd->erasesize || + (offset % mtd->erasesize || len % mtd->erasesize)) { debug("SF: Erase offset/length not multiple of erase size\n"); return -EINVAL; }