diff options
| author | Chris Mason <clm@fb.com> | 2016-05-17 14:43:19 -0700 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2016-05-17 14:43:19 -0700 |
| commit | c315ef8d9db7f1a0ebd023a395ebdfde1c68057e (patch) | |
| tree | 501e1fc558de9e56b78e457aa928fa255e660486 /drivers/infiniband/core/ucm.c | |
| parent | a88336d13c66fc171f336c6332fcb67339894e08 (diff) | |
| parent | 5f9a8a51d8b95505d8de8b7191ae2ed8c504d4af (diff) | |
Merge branch 'for-chris-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.7
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'drivers/infiniband/core/ucm.c')
| -rw-r--r-- | drivers/infiniband/core/ucm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 4a9aa0433b07..7713ef089c3c 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -48,6 +48,7 @@ #include <asm/uaccess.h> +#include <rdma/ib.h> #include <rdma/ib_cm.h> #include <rdma/ib_user_cm.h> #include <rdma/ib_marshall.h> @@ -1103,6 +1104,9 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, struct ib_ucm_cmd_hdr hdr; ssize_t result; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (len < sizeof(hdr)) return -EINVAL; |