From 9c00d982f1d18fd1e8ed586dc1c041988aba4567 Mon Sep 17 00:00:00 2001 From: Ladislav Michl Date: Tue, 13 Sep 2016 07:40:00 +0200 Subject: [PATCH] cmd/onenand.c: block align warning An attempt to write non block aligned data fails silently, add warning and set result. Signed-off-by: Ladislav Michl --- cmd/onenand.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/cmd/onenand.c b/cmd/onenand.c index feab01a..d97844f 100644 --- a/cmd/onenand.c +++ b/cmd/onenand.c @@ -139,6 +139,12 @@ static int onenand_block_write(loff_t to, size_t len, size_t _retlen = 0; int ret; + if ((to & (mtd->writesize - 1)) != 0) { + printf("Attempt to write non block-aligned data\n"); + *retlen = 0; + return 1; + } + if (to == next_ofs) { next_ofs = to + len; to += skip_ofs;