From: Ladislav Michl <ladis@linux-mips.org>
Date: Tue, 13 Sep 2016 05:40:00 +0000 (+0200)
Subject: cmd/onenand.c: block align warning
X-Git-Tag: v2016.11-rc2~53
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9c00d982f1d18fd1e8ed586dc1c041988aba4567;p=platform%2Fkernel%2Fu-boot.git

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 <ladis@linux-mips.org>
---

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;