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authorHeiko Schocher <hs@denx.de>2014-07-15 16:08:43 +0200
committerTom Rini <trini@ti.com>2014-08-25 19:25:56 -0400
commit4e67c57125290b25467134638cefdcc74c6eebeb (patch)
tree852f1d6cb4cfd9177389166fd2c4b2cb1469e430 /drivers/mtd/mtdcore.c
parentddf7bcfa6c5a1d9647046c18e4945f0b0686aec5 (diff)
downloadu-boot-4e67c57125290b25467134638cefdcc74c6eebeb.tar.gz
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>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r--drivers/mtd/mtdcore.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index bdb94ce5ad..6ad03575f6 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1011,14 +1011,14 @@ EXPORT_SYMBOL_GPL(mtd_read_oob);
* 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 @@ int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
}
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 @@ EXPORT_SYMBOL_GPL(mtd_read_user_prot_reg);
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);