HID: hidraw: open count should not increase if error
In hidraw_open, if hid_hw_power returns with error, hidraw device open count
should not increase.
Signed-off-by: Amit Nagal <helloin.amit@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index a8c2b7b..6d65d4e 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -272,8 +272,10 @@
dev = hidraw_table[minor];
if (!dev->open++) {
err = hid_hw_power(dev->hid, PM_HINT_FULLON);
- if (err < 0)
+ if (err < 0) {
+ dev->open--;
goto out_unlock;
+ }
err = hid_hw_open(dev->hid);
if (err < 0) {