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author | Alex Shi <alex.shi@linaro.org> | 2016-05-24 12:17:43 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2016-05-24 12:17:43 +0800 |
commit | 6c1be3bf831c5b1f2ba51425315287df2c350633 (patch) | |
tree | fd07371829b4b5ea7db114502ac12fd989aa4e2a /drivers/infiniband/core/ucma.c | |
parent | ada3625ee9203002b2cac60be802dae952ae3e22 (diff) | |
parent | 3b6aa07b936b09d38c1bfcee1e06845b968df475 (diff) |
Merge tag 'v3.18.34' into linux-linaro-lsk-v3.18lsk-v3.18-16.05
This is the 3.18.34 stable release
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
-rw-r--r-- | drivers/infiniband/core/ucma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index 45d67e9228d7..81dd84d0b68b 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1487,6 +1487,9 @@ 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; |