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authorAlex Shi <alex.shi@linaro.org>2018-02-28 12:01:09 +0800
committerAlex Shi <alex.shi@linaro.org>2018-02-28 12:01:09 +0800
commit6e49b7fa3083c30688b7fff1b37ed891cd1c30af (patch)
tree3054864f2e58bcd86000567ce99e25753ddc794a /kernel/futex.c
parent2ba51c6d36ee1b43c1f898c6c48ddf3d33e9ab30 (diff)
parentbe42cd02846a611af533103a3f4b6a7d8c592f49 (diff)
Merge remote-tracking branch 'rt-stable/v4.9-rt' into linux-linaro-lsk-v4.9-rtlsk-v4.9-18.03-rt
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index 2e074d63e8fa..1e4c72447456 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1801,6 +1801,9 @@ static int futex_requeue(u32 __user *uaddr1, unsigned int flags,
struct futex_q *this, *next;
WAKE_Q(wake_q);
+ if (nr_wake < 0 || nr_requeue < 0)
+ return -EINVAL;
+
if (requeue_pi) {
/*
* Requeue PI only works on two distinct uaddrs. This