X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=cmd%2Fonenand.c;h=d97844fa7a3823e01d4d45417a9ec81b871f1e34;hb=df13a44377b36f438d15de06b07ad4645b89cf4f;hp=feab01a71e3d3f77b1e66dfa26a9faa660a50d63;hpb=cd85bec36d0e0d16fedb00e0c434ed070a9c6b37;p=u-boot

diff --git a/cmd/onenand.c b/cmd/onenand.c
index feab01a71e..d97844fa7a 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;