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path: root/drivers/infiniband/core/ucm.c
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Diffstat (limited to 'drivers/infiniband/core/ucm.c')
-rw-r--r--drivers/infiniband/core/ucm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 7713ef089c3c..e0a995b85a2d 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -46,7 +46,7 @@
#include <linux/mutex.h>
#include <linux/slab.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <rdma/ib.h>
#include <rdma/ib_cm.h>
@@ -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;