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| author | Alex Shi <alex.shi@linaro.org> | 2016-05-24 12:17:43 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-05-24 12:17:43 +0800 |
| commit | 6c1be3bf831c5b1f2ba51425315287df2c350633 (patch) | |
| tree | fd07371829b4b5ea7db114502ac12fd989aa4e2a /drivers/infiniband/hw/qib/qib_file_ops.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/hw/qib/qib_file_ops.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_file_ops.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index b15e34eeef68..3ab8229b1d8c 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -45,6 +45,8 @@ #include <linux/delay.h> #include <linux/export.h> +#include <rdma/ib.h> + #include "qib.h" #include "qib_common.h" #include "qib_user_sdma.h" @@ -2058,6 +2060,9 @@ static ssize_t qib_write(struct file *fp, const char __user *data, ssize_t ret = 0; void *dest; + if (WARN_ON_ONCE(!ib_safe_file_access(fp))) + return -EACCES; + if (count < sizeof(cmd.type)) { ret = -EINVAL; goto bail; |