From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Add the missing unlock before return from function f_midi_alloc()
when kfifo_alloc() failed.
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/function/f_midi.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index fb1fe96d..18119f3 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1188,7 +1188,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi)
if (!port) {
status = -ENOMEM;
- mutex_unlock(&opts->lock);
goto setup_fail;
}
@@ -1202,7 +1201,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi)
midi->id = kstrdup(opts->id, GFP_KERNEL);
if (opts->id && !midi->id) {
status = -ENOMEM;
- mutex_unlock(&opts->lock);
goto setup_fail;
}
midi->in_ports = opts->in_ports;
@@ -1229,6 +1227,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi)
return &midi->func;
setup_fail:
+ mutex_unlock(&opts->lock);
for (--i; i >= 0; i--)
kfree(midi->in_port[i]);
kfree(midi);
--
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