Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[mirror_ubuntu-artful-kernel.git] / drivers / infiniband / core / ucm.c

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 7713ef089c3ccc5109045c2ed88455799d740033..579f9a7f62838caafaca7c2d234e5fac6ebc8f1a 100644 (file)
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1104,8 +1104,11 @@ 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)))
+       if (!ib_safe_file_access(filp)) {
+               pr_err_once("ucm_write: process %d (%s) changed security contexts after opening file descriptor, this is not allowed.\n",
+                           task_tgid_vnr(current), current->comm);
                return -EACCES;
+       }
 
        if (len < sizeof(hdr))
                return -EINVAL;