From: Michal Nazarewicz <mina86@xxxxxxxxxx>
This commit fixes an embarrassing bug in the "storage_common:
use kstrto*()" patch which caused fsg_store_ro() to return
zero instead of the length of the consumed buffer.
Signed-off-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/gadget/storage_common.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index 109635a..1fa4f70 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -708,7 +708,7 @@ static ssize_t fsg_show_file(struct device *dev, struct device_attribute *attr,
static ssize_t fsg_store_ro(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- ssize_t rc = count;
+ ssize_t rc;
struct fsg_lun *curlun = fsg_lun_from_dev(dev);
struct rw_semaphore *filesem = dev_get_drvdata(dev);
unsigned ro;
@@ -729,6 +729,7 @@ static ssize_t fsg_store_ro(struct device *dev, struct device_attribute *attr,
curlun->ro = ro;
curlun->initially_ro = ro;
LDBG(curlun, "read-only status set to %d\n", curlun->ro);
+ rc = count;
}
up_read(filesem);
return rc;
--
1.7.4.2
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