X-Git-Url: https://git.karo-electronics.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Fnand_base.c;h=2d9fe18e58c640e9a364ad065cc58360421dd1c4;hp=ec1db1e19c053367c61a5428319c21f49ad44a5d;hb=e8f50fb7b31893a7ee3ff49dcadcb064f499f8fd;hpb=0679f6eecf73275255b0dd31d744ca1843cd5449

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ec1db1e19c05..2d9fe18e58c6 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1741,6 +1741,9 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
 	else
 		len = mtd->oobsize;
 
+	if (len == 0)
+		return 0;
+
 	if (unlikely(ops->ooboffs >= len)) {
 		pr_debug("%s: attempt to start read outside oob\n",
 				__func__);
@@ -2409,6 +2412,9 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
 	else
 		len = mtd->oobsize;
 
+	if (len == 0)
+		return 0;
+
 	/* Do not allow write past end of page */
 	if ((ops->ooboffs + ops->ooblen) > len) {
 		pr_debug("%s: attempt to write past end of page\n",