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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2022-11-23 12:39:11 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-11-23 12:39:13 +0100 |
| commit | 52fa8e675cddf70cf381c379aa77abfaedd75417 (patch) | |
| tree | a7180e26a9fff39cd859c837becfb4eb86babe4b | |
| parent | f8a72e1ecb48424da3af0e72b564ade38f86d40f (diff) | |
| download | barebox-52fa8e675cddf70cf381c379aa77abfaedd75417.tar.gz barebox-52fa8e675cddf70cf381c379aa77abfaedd75417.tar.xz | |
fastboot: ubiformat: Fix writing sparse images
in ubiformat_write() we may not write trailing empty areas in erase
blocks as UBI assumes them to be empty and writable.
This code path is used when fastboot handles sparse images.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | common/ubiformat.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/common/ubiformat.c b/common/ubiformat.c index 1edfc5b2a3..d8399ad9d6 100644 --- a/common/ubiformat.c +++ b/common/ubiformat.c @@ -745,6 +745,7 @@ int ubiformat_write(struct mtd_info *mtd, const void *buf, size_t count, while (count) { size_t now = mtd->erasesize - offset_in_peb; + int new_len; if (now > count) now = count; @@ -780,7 +781,8 @@ int ubiformat_write(struct mtd_info *mtd, const void *buf, size_t count, } } - ret = mtd_peb_write(mtd, buf, peb, offset_in_peb, now); + new_len = drop_ffs(mtd, buf, now); + ret = mtd_peb_write(mtd, buf, peb, offset_in_peb, new_len); if (ret < 0) return ret; |