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rv: Unlock on error path in rv_unregister_reactor() 

Unlock the "rv_interface_lock" mutex before returning.

Link: https://lkml.kernel.org/r/YuvYzNfGMgV+PIhd@kili

Fixes: 04acadcb44 ("rv: Add runtime reactors interface")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Dan Carpenter 2022-08-04 17:33:48 +03:00 committed by Steven Rostedt (Google)
parent 09794a5a6c
commit f1a15b977f
1 changed files with 4 additions and 2 deletions
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6
kernel/trace/rv/rv_reactors.c
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@ -329,6 +329,7 @@ int rv_register_reactor(struct rv_reactor *reactor)
int rv_unregister_reactor(struct rv_reactor *reactor) int rv_unregister_reactor(struct rv_reactor *reactor)
{ {
struct rv_reactor_def *ptr, *next; struct rv_reactor_def *ptr, *next;
int ret = 0;
mutex_lock(&rv_interface_lock); mutex_lock(&rv_interface_lock);
@ -343,13 +344,14 @@ int rv_unregister_reactor(struct rv_reactor *reactor)
ptr->reactor->name, ptr->counter); ptr->reactor->name, ptr->counter);
printk(KERN_WARNING "rv: the rv_reactor %s cannot be removed\n", printk(KERN_WARNING "rv: the rv_reactor %s cannot be removed\n",
ptr->reactor->name); ptr->reactor->name);
return -EBUSY; ret = -EBUSY;
break;
} }
} }
} }
mutex_unlock(&rv_interface_lock); mutex_unlock(&rv_interface_lock);
return 0; return ret;
} }
/* /*