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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
drivers
/
infiniband
/
core
/
ucma.c
diff --git
a/kernel/drivers/infiniband/core/ucma.c
b/kernel/drivers/infiniband/core/ucma.c
index
8b5a934
..
886f61e
100644
(file)
--- a/
kernel/drivers/infiniband/core/ucma.c
+++ b/
kernel/drivers/infiniband/core/ucma.c
@@
-1574,6
+1574,9
@@
static ssize_t ucma_write(struct file *filp, const char __user *buf,
struct rdma_ucm_cmd_hdr hdr;
ssize_t ret;
+ if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+ return -EACCES;
+
if (len < sizeof(hdr))
return -EINVAL;