Message ID | 1464197443-20056-3-git-send-email-kamal@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index 6d7f453..a0626b8 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -45,6 +45,8 @@ #include <linux/cpu.h> #include <asm/pgtable.h> +#include <rdma/ib.h> + #include "ipath_kernel.h" #include "ipath_common.h" #include "ipath_user_sdma.h" @@ -2240,6 +2242,9 @@ static ssize_t ipath_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;