diff options
Diffstat (limited to 'drivers/mtd/mtdblock.c')
| -rw-r--r-- | drivers/mtd/mtdblock.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c index af6591237b9..6c6d80736fa 100644 --- a/drivers/mtd/mtdblock.c +++ b/drivers/mtd/mtdblock.c @@ -321,8 +321,12 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd) mutex_unlock(&mtdblk->cache_mutex); if (!--mtdblk->count) { - /* It was the last usage. Free the cache */ - mtd_sync(mbd->mtd); + /* + * It was the last usage. Free the cache, but only sync if + * opened for writing. + */ + if (mbd->file_mode & FMODE_WRITE) + mtd_sync(mbd->mtd); vfree(mtdblk->cache_data); } |