mtd,ubi,ubifs: sync with linux v3.15
snyc with linux v3.15:
commit 1860e379875dfe7271c649058aeddffe5afd9d0d
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Jun 8 11:19:54 2014 -0700
Linux 3.15
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Tom Rini <trini@ti.com>
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index bdb94ce..6ad0357 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1011,14 +1011,14 @@
* devices. The user data is one time programmable but the factory data is read
* only.
*/
-int mtd_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len)
+int mtd_get_fact_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
+ struct otp_info *buf)
{
if (!mtd->_get_fact_prot_info)
return -EOPNOTSUPP;
if (!len)
return 0;
- return mtd->_get_fact_prot_info(mtd, buf, len);
+ return mtd->_get_fact_prot_info(mtd, len, retlen, buf);
}
EXPORT_SYMBOL_GPL(mtd_get_fact_prot_info);
@@ -1034,14 +1034,14 @@
}
EXPORT_SYMBOL_GPL(mtd_read_fact_prot_reg);
-int mtd_get_user_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len)
+int mtd_get_user_prot_info(struct mtd_info *mtd, size_t len, size_t *retlen,
+ struct otp_info *buf)
{
if (!mtd->_get_user_prot_info)
return -EOPNOTSUPP;
if (!len)
return 0;
- return mtd->_get_user_prot_info(mtd, buf, len);
+ return mtd->_get_user_prot_info(mtd, len, retlen, buf);
}
EXPORT_SYMBOL_GPL(mtd_get_user_prot_info);
@@ -1060,12 +1060,22 @@
int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, u_char *buf)
{
+ int ret;
+
*retlen = 0;
if (!mtd->_write_user_prot_reg)
return -EOPNOTSUPP;
if (!len)
return 0;
- return mtd->_write_user_prot_reg(mtd, to, len, retlen, buf);
+ ret = mtd->_write_user_prot_reg(mtd, to, len, retlen, buf);
+ if (ret)
+ return ret;
+
+ /*
+ * If no data could be written at all, we are out of memory and
+ * must return -ENOSPC.
+ */
+ return (*retlen) ? 0 : -ENOSPC;
}
EXPORT_SYMBOL_GPL(mtd_write_user_prot_reg);