From 8bafd5f4d5b34a8b9f01d5289a11deeb4efd347d Mon Sep 17 00:00:00 2001
From: Pieter Willemsen <pieter.willemsen@altran.com>
Date: Fri, 19 Jan 2018 16:08:15 +0100
Subject: [PATCH] pkg_littlefs: call mtd_write with size == prog_size
---
pkg/littlefs/fs/littlefs_fs.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/pkg/littlefs/fs/littlefs_fs.c b/pkg/littlefs/fs/littlefs_fs.c
index e32fbe47ed..f8332e2ab1 100644
--- a/pkg/littlefs/fs/littlefs_fs.c
+++ b/pkg/littlefs/fs/littlefs_fs.c
@@ -85,12 +85,20 @@ static int _dev_write(const struct lfs_config *c, lfs_block_t block,
DEBUG("lfs_write: c=%p, block=%" PRIu32 ", off=%" PRIu32 ", buf=%p, size=%" PRIu32 "\n",
(void *)c, block, off, buffer, size);
- int ret = mtd_write(mtd, buffer, ((fs->base_addr + block) * c->block_size) + off, size);
- if (ret >= 0) {
- return 0;
+ const uint8_t *buf = buffer;
+ uint32_t addr = ((fs->base_addr + block) * c->block_size) + off;
+ for (const uint8_t *part = buf; part < buf + size; part += c->prog_size,
+ addr += c->prog_size) {
+ int ret = mtd_write(mtd, part, addr, c->prog_size);
+ if (ret < 0) {
+ return ret;
+ }
+ else if ((unsigned)ret != c->prog_size) {
+ return -EIO;
+ }
}
- return ret;
+ return 0;
}
static int _dev_erase(const struct lfs_config *c, lfs_block_t block)
--
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