mtd: spi-nor: core: correct type of i

The i should be signed to find out the end of the loop. Otherwise,
i >= 0 is always true and loop becomes infinite. Make its type to be
int.

Fixes: 6a9eda34418f ("mtd: spi-nor: core: set mtd->eraseregions for non-uniform erase map")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240304090103.818092-1-usama.anjum@collabora.com

diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index 65b32ea59afc67acc09bc7182058dfc63c0ab46d..3e1f1913536bf52f14b91e0569cd28e0a7228271 100644 (file)
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -3373,7 +3373,7 @@ static u32
 spi_nor_get_region_erasesize(const struct spi_nor_erase_region *region,
                             const struct spi_nor_erase_type *erase_type)
 {
-       u8 i;
+       int i;
 
        if (region->overlaid)
                return region->size;