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-rw-r--r--drivers/mtd/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c
index d873369d5d..62307db709 100644
--- a/drivers/mtd/core.c
+++ b/drivers/mtd/core.c
@@ -340,6 +340,8 @@ int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
const u_char *buf)
{
+ *retlen = 0;
+
return mtd->write(mtd, to, len, retlen, buf);
}