diff options
| author | Takahiro Kuwano <Takahiro.Kuwano@infineon.com> | 2020-10-02 14:17:59 +0900 |
|---|---|---|
| committer | Tudor Ambarus <tudor.ambarus@microchip.com> | 2021-02-05 14:56:17 +0200 |
| commit | abdf5a5ef9652bad4d58058bc22ddf23543ba3e1 (patch) | |
| tree | 37512146c07ba0f06dff508e2e1a9800b066f4c8 /drivers | |
| parent | fe6653460ee7a7dbe0cd5fd322992af862ce5ab0 (diff) | |
mtd: spi-nor: sfdp: Fix wrong erase type bitmask for overlaid region
At the time spi_nor_region_check_overlay() is called, the erase types are
sorted in ascending order of erase size. The 'erase_type' should be masked
with 'BIT(erase[i].idx)' instead of 'BIT(i)'.
Fixes: b038e8e3be72 ("mtd: spi-nor: parse SFDP Sector Map Parameter Table")
Cc: stable@vger.kernel.org
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
[ta: Add Fixes tag and Cc to stable]
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/fd90c40d5b626a1319a78fc2bcee79a8871d4d57.1601612872.git.Takahiro.Kuwano@infineon.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/spi-nor/sfdp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c index 6ee7719e5903..b3d44bd19a2b 100644 --- a/drivers/mtd/spi-nor/sfdp.c +++ b/drivers/mtd/spi-nor/sfdp.c @@ -788,7 +788,7 @@ spi_nor_region_check_overlay(struct spi_nor_erase_region *region, int i; for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++) { - if (!(erase_type & BIT(i))) + if (!(erase[i].size && erase_type & BIT(erase[i].idx))) continue; if (region->size & erase[i].size_mask) { spi_nor_region_mark_overlay(region); |