diff options
| -rw-r--r-- | kernel/kexec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index c8a4370..cf3797b 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1503,7 +1503,8 @@ int kernel_kexec(void) } Unlock: - xchg(&kexec_lock, 0); + if (!xchg(&kexec_lock, 0)) + BUG(); return error; } |