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path: root/drivers/usb/gadget/storage_common.c
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Diffstat (limited to 'drivers/usb/gadget/storage_common.c')
-rw-r--r--drivers/usb/gadget/storage_common.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index b015561fd602..1fa4f705b0b4 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -708,13 +708,14 @@ 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 long ro;
+ unsigned ro;
- if (strict_strtoul(buf, 2, &ro))
- return -EINVAL;
+ rc = kstrtouint(buf, 2, &ro);
+ if (rc)
+ return rc;
/*
* Allow the write-enable status to change only while the
@@ -728,6 +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;
@@ -738,10 +740,12 @@ static ssize_t fsg_store_nofua(struct device *dev,
const char *buf, size_t count)
{
struct fsg_lun *curlun = fsg_lun_from_dev(dev);
- unsigned long nofua;
+ unsigned nofua;
+ int ret;
- if (strict_strtoul(buf, 2, &nofua))
- return -EINVAL;
+ ret = kstrtouint(buf, 2, &nofua);
+ if (ret)
+ return ret;
/* Sync data when switching from async mode to sync */
if (!nofua && curlun->nofua)